ICD-10 · PDGM grouping
Y38 Terrorism
All 96 codes in the Y38 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
96
Can lead a claim
0
Cannot lead a claim
96
What CMS assigns to Y38
None of the 96 codes is assigned a clinical group. None of the 96 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Y38
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| Y38.0 Terrorism involving explosion of marine weapons | ||||
| Y38.0X Terrorism involving explosion of marine weapons | ||||
| Y38.0X1 Terrorism involving explosion of marine weapons, public safety official injured | ||||
| Y38.0X1A | Terrorism involving explosion of marine weapons, public safety official injured, initial encounterCMS: Terorsm w explosn of marine weap, publ sfty offcl inj, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X1D | Terrorism involving explosion of marine weapons, public safety official injured, subsequent encounterCMS: Terorsm w explosn of marine weap, publ sfty offcl inj, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X1S | Terrorism involving explosion of marine weapons, public safety official injured, sequelaCMS: Terorsm w explosn of marine weap, publ sfty offcl inj, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X2 Terrorism involving explosion of marine weapons, civilian injured | ||||
| Y38.0X2A | Terrorism involving explosion of marine weapons, civilian injured, initial encounterCMS: Terorsm w explosn of marine weapons, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X2D | Terrorism involving explosion of marine weapons, civilian injured, subsequent encounterCMS: Terorsm w explosn of marine weapons, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X2S | Terrorism involving explosion of marine weapons, civilian injured, sequelaCMS: Terorsm w explosn of marine weapons, civ injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X3 Terrorism involving explosion of marine weapons, terrorist injured | ||||
| Y38.0X3A | Terrorism involving explosion of marine weapons, terrorist injured, initial encounterCMS: Terorsm w explosn of marine weapons, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X3D | Terrorism involving explosion of marine weapons, terrorist injured, subsequent encounterCMS: Terorsm w explosn of marine weapons, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.0X3S | Terrorism involving explosion of marine weapons, terrorist injured, sequelaCMS: Terorsm w explosn of marine weapons, terrorist inj, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1 Terrorism involving destruction of aircraft | ||||
| Y38.1X Terrorism involving destruction of aircraft | ||||
| Y38.1X1 Terrorism involving destruction of aircraft, public safety official injured | ||||
| Y38.1X1A | Terrorism involving destruction of aircraft, public safety official injured, initial encounterCMS: Terrorism w dest arcrft, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X1D | Terrorism involving destruction of aircraft, public safety official injured, subsequent encounterCMS: Terrorism w dest arcrft, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X1S | Terrorism involving destruction of aircraft, public safety official injured, sequelaCMS: Terrorism w dest arcrft, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X2 Terrorism involving destruction of aircraft, civilian injured | ||||
| Y38.1X2A | Terrorism involving destruction of aircraft, civilian injured, initial encounterCMS: Terrorism involving dest arcrft, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X2D | Terrorism involving destruction of aircraft, civilian injured, subsequent encounterCMS: Terrorism involving dest arcrft, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X2S | Terrorism involving destruction of aircraft, civilian injured, sequelaCMS: Terrorism involving dest arcrft, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X3 Terrorism involving destruction of aircraft, terrorist injured | ||||
| Y38.1X3A | Terrorism involving destruction of aircraft, terrorist injured, initial encounterCMS: Terrorism involving dest arcrft, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X3D | Terrorism involving destruction of aircraft, terrorist injured, subsequent encounterCMS: Terrorism involving dest arcrft, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.1X3S | Terrorism involving destruction of aircraft, terrorist injured, sequelaCMS: Terrorism involving dest arcrft, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2 Terrorism involving other explosions and fragments | ||||
| Y38.2X Terrorism involving other explosions and fragments | ||||
| Y38.2X1 Terrorism involving other explosions and fragments, public safety official injured | ||||
| Y38.2X1A | Terrorism involving other explosions and fragments, public safety official injured, initial encounterCMS: Terorsm w oth explosn and fragmt, publ sfty offcl inj, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X1D | Terrorism involving other explosions and fragments, public safety official injured, subsequent encounterCMS: Terorsm w oth explosn and fragmt, publ sfty offcl inj, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X1S | Terrorism involving other explosions and fragments, public safety official injured, sequelaCMS: Terorsm w oth explosn and fragmt, publ sfty offcl inj, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X2 Terrorism involving other explosions and fragments, civilian injured | ||||
| Y38.2X2A | Terrorism involving other explosions and fragments, civilian injured, initial encounterCMS: Terrorism w oth explosn and fragmt, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X2D | Terrorism involving other explosions and fragments, civilian injured, subsequent encounterCMS: Terrorism w oth explosn and fragmt, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X2S | Terrorism involving other explosions and fragments, civilian injured, sequelaCMS: Terorsm w oth explosn and fragmt, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X3 Terrorism involving other explosions and fragments, terrorist injured | ||||
| Y38.2X3A | Terrorism involving other explosions and fragments, terrorist injured, initial encounterCMS: Terrorism w oth explosn and fragmt, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X3D | Terrorism involving other explosions and fragments, terrorist injured, subsequent encounterCMS: Terrorism w oth explosn and fragmt, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.2X3S | Terrorism involving other explosions and fragments, terrorist injured, sequelaCMS: Terorsm w oth explosn and fragmt, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3 Terrorism involving fires, conflagration and hot substances | ||||
| Y38.3X Terrorism involving fires, conflagration and hot substances | ||||
| Y38.3X1 Terrorism involving fires, conflagration and hot substances, public safety official injured | ||||
| Y38.3X1A | Terrorism involving fires, conflagration and hot substances, public safety official injured, initial encounterCMS: Terrorism w fire/hot subst, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X1D | Terrorism involving fires, conflagration and hot substances, public safety official injured, subsequent encounterCMS: Terrorism w fire/hot subst, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X1S | Terrorism involving fires, conflagration and hot substances, public safety official injured, sequelaCMS: Terrorism w fire/hot subst, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X2 Terrorism involving fires, conflagration and hot substances, civilian injured | ||||
| Y38.3X2A | Terrorism involving fires, conflagration and hot substances, civilian injured, initial encounterCMS: Terrorism involving fire/hot subst, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X2D | Terrorism involving fires, conflagration and hot substances, civilian injured, subsequent encounterCMS: Terrorism involving fire/hot subst, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X2S | Terrorism involving fires, conflagration and hot substances, civilian injured, sequelaCMS: Terrorism w fire/hot subst, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X3 Terrorism involving fires, conflagration and hot substances, terrorist injured | ||||
| Y38.3X3A | Terrorism involving fires, conflagration and hot substances, terrorist injured, initial encounterCMS: Terrorism involving fire/hot subst, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X3D | Terrorism involving fires, conflagration and hot substances, terrorist injured, subsequent encounterCMS: Terrorism involving fire/hot subst, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.3X3S | Terrorism involving fires, conflagration and hot substances, terrorist injured, sequelaCMS: Terrorism w fire/hot subst, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4 Terrorism involving firearms | ||||
| Y38.4X Terrorism involving firearms | ||||
| Y38.4X1 Terrorism involving firearms, public safety official injured | ||||
| Y38.4X1A | Terrorism involving firearms, public safety official injured, initial encounterCMS: Terrorism involving firearms, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X1D | Terrorism involving firearms, public safety official injured, subsequent encounterCMS: Terrorism involving firearms, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X1S | Terrorism involving firearms, public safety official injured, sequelaCMS: Terrorism w firearms, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X2 Terrorism involving firearms, civilian injured | ||||
| Y38.4X2A | Terrorism involving firearms, civilian injured, initial encounterCMS: Terrorism involving firearms, civilian injured, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X2D | Terrorism involving firearms, civilian injured, subsequent encounterCMS: Terrorism involving firearms, civilian injured, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X2S | Terrorism involving firearms, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X3 Terrorism involving firearms, terrorist injured | ||||
| Y38.4X3A | Terrorism involving firearms, terrorist injured, initial encounterCMS: Terrorism involving firearms, terrorist injured, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X3D | Terrorism involving firearms, terrorist injured, subsequent encounterCMS: Terrorism involving firearms, terrorist injured, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.4X3S | Terrorism involving firearms, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5 Terrorism involving nuclear weapons | ||||
| Y38.5X Terrorism involving nuclear weapons | ||||
| Y38.5X1 Terrorism involving nuclear weapons, public safety official injured | ||||
| Y38.5X1A | Terrorism involving nuclear weapons, public safety official injured, initial encounterCMS: Terrorism w nuclear weapons, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X1D | Terrorism involving nuclear weapons, public safety official injured, subsequent encounterCMS: Terrorism w nuclear weapons, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X1S | Terrorism involving nuclear weapons, public safety official injured, sequelaCMS: Terorsm w nuclear weapons, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X2 Terrorism involving nuclear weapons, civilian injured | ||||
| Y38.5X2A | Terrorism involving nuclear weapons, civilian injured, initial encounterCMS: Terrorism involving nuclear weapons, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X2D | Terrorism involving nuclear weapons, civilian injured, subsequent encounterCMS: Terrorism involving nuclear weapons, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X2S | Terrorism involving nuclear weapons, civilian injured, sequelaCMS: Terrorism w nuclear weapons, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X3 Terrorism involving nuclear weapons, terrorist injured | ||||
| Y38.5X3A | Terrorism involving nuclear weapons, terrorist injured, initial encounterCMS: Terrorism involving nuclear weapons, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X3D | Terrorism involving nuclear weapons, terrorist injured, subsequent encounterCMS: Terrorism involving nuclear weapons, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.5X3S | Terrorism involving nuclear weapons, terrorist injured, sequelaCMS: Terrorism w nuclear weapons, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6 Terrorism involving biological weapons | ||||
| Y38.6X Terrorism involving biological weapons | ||||
| Y38.6X1 Terrorism involving biological weapons, public safety official injured | ||||
| Y38.6X1A | Terrorism involving biological weapons, public safety official injured, initial encounterCMS: Terrorism w biolg weapons, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X1D | Terrorism involving biological weapons, public safety official injured, subsequent encounterCMS: Terrorism w biolg weapons, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X1S | Terrorism involving biological weapons, public safety official injured, sequelaCMS: Terrorism w biolg weapons, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X2 Terrorism involving biological weapons, civilian injured | ||||
| Y38.6X2A | Terrorism involving biological weapons, civilian injured, initial encounterCMS: Terrorism involving biolg weapons, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X2D | Terrorism involving biological weapons, civilian injured, subsequent encounterCMS: Terrorism involving biolg weapons, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X2S | Terrorism involving biological weapons, civilian injured, sequelaCMS: Terrorism involving biolg weapons, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X3 Terrorism involving biological weapons, terrorist injured | ||||
| Y38.6X3A | Terrorism involving biological weapons, terrorist injured, initial encounterCMS: Terrorism involving biolg weapons, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X3D | Terrorism involving biological weapons, terrorist injured, subsequent encounterCMS: Terrorism involving biolg weapons, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.6X3S | Terrorism involving biological weapons, terrorist injured, sequelaCMS: Terrorism w biolg weapons, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7 Terrorism involving chemical weapons | ||||
| Y38.7X Terrorism involving chemical weapons | ||||
| Y38.7X1 Terrorism involving chemical weapons, public safety official injured | ||||
| Y38.7X1A | Terrorism involving chemical weapons, public safety official injured, initial encounterCMS: Terrorism w chemical weapons, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X1D | Terrorism involving chemical weapons, public safety official injured, subsequent encounterCMS: Terrorism w chemical weapons, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X1S | Terrorism involving chemical weapons, public safety official injured, sequelaCMS: Terorsm w chemical weapons, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X2 Terrorism involving chemical weapons, civilian injured | ||||
| Y38.7X2A | Terrorism involving chemical weapons, civilian injured, initial encounterCMS: Terrorism involving chemical weapons, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X2D | Terrorism involving chemical weapons, civilian injured, subsequent encounterCMS: Terrorism involving chemical weapons, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X2S | Terrorism involving chemical weapons, civilian injured, sequelaCMS: Terrorism w chemical weapons, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X3 Terrorism involving chemical weapons, terrorist injured | ||||
| Y38.7X3A | Terrorism involving chemical weapons, terrorist injured, initial encounterCMS: Terrorism w chemical weapons, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X3D | Terrorism involving chemical weapons, terrorist injured, subsequent encounterCMS: Terrorism w chemical weapons, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.7X3S | Terrorism involving chemical weapons, terrorist injured, sequelaCMS: Terrorism w chemical weapons, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.8 Terrorism involving other and unspecified means | ||||
| Y38.80 Terrorism involving unspecified means | ||||
| Y38.80XA | Terrorism involving unspecified means, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.80XD | Terrorism involving unspecified means, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.80XS | Terrorism involving unspecified means, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.81 Terrorism involving suicide bomber | ||||
| Y38.811 Terrorism involving suicide bomber, public safety official injured | ||||
| Y38.811A | Terrorism involving suicide bomber, public safety official injured, initial encounterCMS: Terrorism w suicide bomber, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.811D | Terrorism involving suicide bomber, public safety official injured, subsequent encounterCMS: Terrorism w suicide bomber, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.811S | Terrorism involving suicide bomber, public safety official injured, sequelaCMS: Terrorism w suicide bomber, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.812 Terrorism involving suicide bomber, civilian injured | ||||
| Y38.812A | Terrorism involving suicide bomber, civilian injured, initial encounterCMS: Terrorism involving suicide bomber, civilian injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.812D | Terrorism involving suicide bomber, civilian injured, subsequent encounterCMS: Terrorism involving suicide bomber, civilian injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.812S | Terrorism involving suicide bomber, civilian injured, sequelaCMS: Terrorism w suicide bomber, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.89 Terrorism involving other means | ||||
| Y38.891 Terrorism involving other means, public safety official injured | ||||
| Y38.891A | Terrorism involving other means, public safety official injured, initial encounterCMS: Terrorism involving oth means, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.891D | Terrorism involving other means, public safety official injured, subsequent encounterCMS: Terrorism involving oth means, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.891S | Terrorism involving other means, public safety official injured, sequelaCMS: Terrorism w oth means, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.892 Terrorism involving other means, civilian injured | ||||
| Y38.892A | Terrorism involving other means, civilian injured, initial encounterCMS: Terrorism involving oth means, civilian injured, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.892D | Terrorism involving other means, civilian injured, subsequent encounterCMS: Terrorism involving oth means, civilian injured, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.892S | Terrorism involving other means, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.893 Terrorism involving other means, terrorist injured | ||||
| Y38.893A | Terrorism involving other means, terrorist injured, initial encounterCMS: Terrorism involving oth means, terrorist injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.893D | Terrorism involving other means, terrorist injured, subsequent encounterCMS: Terrorism involving oth means, terrorist injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.893S | Terrorism involving other means, terrorist injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.9 Terrorism, secondary effects | ||||
| Y38.9X Terrorism, secondary effects | ||||
| Y38.9X1 Terrorism, secondary effects, public safety official injured | ||||
| Y38.9X1A | Terrorism, secondary effects, public safety official injured, initial encounterCMS: Terrorism, secondary effects, publ sfty offcl injured, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.9X1D | Terrorism, secondary effects, public safety official injured, subsequent encounterCMS: Terrorism, secondary effects, publ sfty offcl injured, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.9X1S | Terrorism, secondary effects, public safety official injured, sequelaCMS: Terrorism, sec effects, publ sfty offcl injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.9X2 Terrorism, secondary effects, civilian injured | ||||
| Y38.9X2A | Terrorism, secondary effects, civilian injured, initial encounterCMS: Terrorism, secondary effects, civilian injured, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.9X2D | Terrorism, secondary effects, civilian injured, subsequent encounterCMS: Terrorism, secondary effects, civilian injured, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y38.9X2S | Terrorism, secondary effects, civilian injured, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue