ICD-10 · PDGM grouping
V92 Drowning and submersion due to accident on board watercraft, without accident to watercraft
All 84 codes in the V92 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
84
Can lead a claim
0
Cannot lead a claim
84
What CMS assigns to V92
None of the 84 codes is assigned a clinical group. None of the 84 is assigned a comorbidity subgroup. None can lead a claim. CMS attaches a code-first note to 30 of the 84.
Code first
CMS grouper convention 169, on V92.20XA, V92.20XD, V92.20XS, V92.21XA, V92.21XD, V92.21XS, V92.22XA, V92.22XD, V92.22XS, V92.23XA, V92.23XD, V92.23XS, V92.24XA, V92.24XD, V92.24XS, V92.25XA, V92.25XD, V92.25XS, V92.26XA, V92.26XD, V92.26XS, V92.27XA, V92.27XD, V92.27XS, V92.28XA, V92.28XD, V92.28XS, V92.29XA, V92.29XD, V92.29XS. Code first:
- any associated cataclysm (X37.0-)
Every code in V92
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 |
|---|---|---|---|---|
| V92.0 Drowning and submersion due to fall off watercraft | ||||
| V92.00 Drowning and submersion due to fall off merchant ship | ||||
| V92.00XA | Drowning and submersion due to fall off merchant ship, initial encounterCMS: Drowning and submersion due to fall off merchant ship, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.00XD | Drowning and submersion due to fall off merchant ship, subsequent encounterCMS: Drowning and submersion due to fall off merchant ship, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.00XS | Drowning and submersion due to fall off merchant ship, sequelaCMS: Drown due to fall off merchant ship, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.01 Drowning and submersion due to fall off passenger ship | ||||
| V92.01XA | Drowning and submersion due to fall off passenger ship, initial encounterCMS: Drowning and submersion due to fall off passenger ship, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.01XD | Drowning and submersion due to fall off passenger ship, subsequent encounterCMS: Drowning and submersion due to fall off passenger ship, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.01XS | Drowning and submersion due to fall off passenger ship, sequelaCMS: Drown due to fall off passenger ship, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.02 Drowning and submersion due to fall off fishing boat | ||||
| V92.02XA | Drowning and submersion due to fall off fishing boat, initial encounterCMS: Drowning and submersion due to fall off fishing boat, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.02XD | Drowning and submersion due to fall off fishing boat, subsequent encounterCMS: Drowning and submersion due to fall off fishing boat, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.02XS | Drowning and submersion due to fall off fishing boat, sequelaCMS: Drown due to fall off fishing boat, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.03 Drowning and submersion due to fall off other powered watercraft | ||||
| V92.03XA | Drowning and submersion due to fall off other powered watercraft, initial encounterCMS: Drown due to fall off oth powered watercraft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.03XD | Drowning and submersion due to fall off other powered watercraft, subsequent encounterCMS: Drown due to fall off oth powered watercraft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.03XS | Drowning and submersion due to fall off other powered watercraft, sequelaCMS: Drown due to fall off oth powered watercraft, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.04 Drowning and submersion due to fall off sailboat | ||||
| V92.04XA | Drowning and submersion due to fall off sailboat, initial encounterCMS: Drowning and submersion due to fall off sailboat, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.04XD | Drowning and submersion due to fall off sailboat, subsequent encounterCMS: Drowning and submersion due to fall off sailboat, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.04XS | Drowning and submersion due to fall off sailboat, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.05 Drowning and submersion due to fall off canoe or kayak | ||||
| V92.05XA | Drowning and submersion due to fall off canoe or kayak, initial encounterCMS: Drowning and submersion due to fall off canoe or kayak, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.05XD | Drowning and submersion due to fall off canoe or kayak, subsequent encounterCMS: Drowning and submersion due to fall off canoe or kayak, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.05XS | Drowning and submersion due to fall off canoe or kayak, sequelaCMS: Drown due to fall off canoe or kayak, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.06 Drowning and submersion due to fall off (nonpowered) inflatable craft | ||||
| V92.06XA | Drowning and submersion due to fall off (nonpowered) inflatable craft, initial encounterCMS: Drown due to fall off (nonpowered) inflatable craft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.06XD | Drowning and submersion due to fall off (nonpowered) inflatable craft, subsequent encounterCMS: Drown due to fall off (nonpowered) inflatable craft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.06XS | Drowning and submersion due to fall off (nonpowered) inflatable craft, sequelaCMS: Drown due to fall off (nonpowered) inflatable craft, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.07 Drowning and submersion due to fall off water-skis | ||||
| V92.07XA | Drowning and submersion due to fall off water-skis, initial encounterCMS: Drowning and submersion due to fall off water-skis, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.07XD | Drowning and submersion due to fall off water-skis, subsequent encounterCMS: Drowning and submersion due to fall off water-skis, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.07XS | Drowning and submersion due to fall off water-skis, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.08 Drowning and submersion due to fall off other unpowered watercraft | ||||
| V92.08XA | Drowning and submersion due to fall off other unpowered watercraft, initial encounterCMS: Drowning and submersion due to fall off unpowr wtrcrft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.08XD | Drowning and submersion due to fall off other unpowered watercraft, subsequent encounterCMS: Drowning and submersion due to fall off unpowr wtrcrft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.08XS | Drowning and submersion due to fall off other unpowered watercraft, sequelaCMS: Drown due to fall off unpowr wtrcrft, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.09 Drowning and submersion due to fall off unspecified watercraft | ||||
| V92.09XA | Drowning and submersion due to fall off unspecified watercraft, initial encounterCMS: Drown due to fall off unsp watercraft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.09XD | Drowning and submersion due to fall off unspecified watercraft, subsequent encounterCMS: Drown due to fall off unsp watercraft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.09XS | Drowning and submersion due to fall off unspecified watercraft, sequelaCMS: Drown due to fall off unsp watercraft, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.1 Drowning and submersion due to being thrown overboard by motion of watercraft | ||||
| V92.10 Drowning and submersion due to being thrown overboard by motion of merchant ship | ||||
| V92.10XA | Drowning and submersion due to being thrown overboard by motion of merchant ship, initial encounterCMS: Drown d/t being thrown ovrbrd by motion of merch ship, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.10XD | Drowning and submersion due to being thrown overboard by motion of merchant ship, subsequent encounterCMS: Drown d/t being thrown ovrbrd by motion of merch ship, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.10XS | Drowning and submersion due to being thrown overboard by motion of merchant ship, sequelaCMS: Drown d/t being thrown ovrbrd by motion of merch ship, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.11 Drowning and submersion due to being thrown overboard by motion of passenger ship | ||||
| V92.11XA | Drowning and submersion due to being thrown overboard by motion of passenger ship, initial encounterCMS: Drown d/t being thrown ovrbrd by motion of pasngr ship, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.11XD | Drowning and submersion due to being thrown overboard by motion of passenger ship, subsequent encounterCMS: Drown d/t being thrown ovrbrd by motion of pasngr ship, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.11XS | Drowning and submersion due to being thrown overboard by motion of passenger ship, sequelaCMS: Drown d/t being thrown ovrbrd by motion of pasngr ship, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.12 Drowning and submersion due to being thrown overboard by motion of fishing boat | ||||
| V92.12XA | Drowning and submersion due to being thrown overboard by motion of fishing boat, initial encounterCMS: Drown d/t being thrown ovrbrd by motion of fish boat, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.12XD | Drowning and submersion due to being thrown overboard by motion of fishing boat, subsequent encounterCMS: Drown d/t being thrown ovrbrd by motion of fish boat, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.12XS | Drowning and submersion due to being thrown overboard by motion of fishing boat, sequelaCMS: Drown d/t being thrown ovrbrd by motion of fish boat, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.13 Drowning and submersion due to being thrown overboard by motion of other powered watercraft | ||||
| V92.13XA | Drowning and submersion due to being thrown overboard by motion of other powered watercraft, initial encounterCMS: Drown d/t thrown ovrbrd by motion of power wtrcrft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.13XD | Drowning and submersion due to being thrown overboard by motion of other powered watercraft, subsequent encounterCMS: Drown d/t thrown ovrbrd by motion of power wtrcrft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.13XS | Drowning and submersion due to being thrown overboard by motion of other powered watercraft, sequelaCMS: Drown d/t thrown ovrbrd by motion of power wtrcrft, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.14 Drowning and submersion due to being thrown overboard by motion of sailboat | ||||
| V92.14XA | Drowning and submersion due to being thrown overboard by motion of sailboat, initial encounterCMS: Drown due to being thrown ovrbrd by motion of sailboat, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.14XD | Drowning and submersion due to being thrown overboard by motion of sailboat, subsequent encounterCMS: Drown due to being thrown ovrbrd by motion of sailboat, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.14XS | Drowning and submersion due to being thrown overboard by motion of sailboat, sequelaCMS: Drown due to being thrown ovrbrd by motion of sailbt, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.15 Drowning and submersion due to being thrown overboard by motion of canoe or kayak | ||||
| V92.15XA | Drowning and submersion due to being thrown overboard by motion of canoe or kayak, initial encounterCMS: Drown d/t being thrown ovrbrd by motion of canoe/kayk, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.15XD | Drowning and submersion due to being thrown overboard by motion of canoe or kayak, subsequent encounterCMS: Drown d/t being thrown ovrbrd by motion of canoe/kayk, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.15XS | Drowning and submersion due to being thrown overboard by motion of canoe or kayak, sequelaCMS: Drown d/t being thrown ovrbrd by motion of canoe/kayk, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.16 Drowning and submersion due to being thrown overboard by motion of (nonpowered) inflatable craft | ||||
| V92.16XA | Drowning and submersion due to being thrown overboard by motion of (nonpowered) inflatable craft, initial encounterCMS: Drown d/t thrown ovrbrd by motion of inflatbl crft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.16XD | Drowning and submersion due to being thrown overboard by motion of (nonpowered) inflatable craft, subsequent encounterCMS: Drown d/t thrown ovrbrd by motion of inflatbl crft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.16XS | Drowning and submersion due to being thrown overboard by motion of (nonpowered) inflatable craft, sequelaCMS: Drown d/t thrown ovrbrd by motion of inflatbl crft, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.19 Drowning and submersion due to being thrown overboard by motion of unspecified watercraft | ||||
| V92.19XA | Drowning and submersion due to being thrown overboard by motion of unspecified watercraft, initial encounterCMS: Drown d/t thrown ovrbrd by motion of unsp wtrcrft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.19XD | Drowning and submersion due to being thrown overboard by motion of unspecified watercraft, subsequent encounterCMS: Drown d/t thrown ovrbrd by motion of unsp wtrcrft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.19XS | Drowning and submersion due to being thrown overboard by motion of unspecified watercraft, sequelaCMS: Drown d/t thrown ovrbrd by motion of unsp wtrcrft, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.2 Drowning and submersion due to being washed overboard from watercraft | ||||
| V92.20 Drowning and submersion due to being washed overboard from merchant ship | ||||
| V92.20XA | Drowning and submersion due to being washed overboard from merchant ship, initial encounterCMS: Drown due to being washed overboard from merchant ship, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.20XD | Drowning and submersion due to being washed overboard from merchant ship, subsequent encounterCMS: Drown due to being washed overboard from merchant ship, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.20XS | Drowning and submersion due to being washed overboard from merchant ship, sequelaCMS: Drown due to being washed overboard from merch ship, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.21 Drowning and submersion due to being washed overboard from passenger ship | ||||
| V92.21XA | Drowning and submersion due to being washed overboard from passenger ship, initial encounterCMS: Drown due to being washed ovrbrd from passenger ship, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.21XD | Drowning and submersion due to being washed overboard from passenger ship, subsequent encounterCMS: Drown due to being washed ovrbrd from passenger ship, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.21XS | Drowning and submersion due to being washed overboard from passenger ship, sequelaCMS: Drown due to being washed ovrbrd from pasngr ship, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.22 Drowning and submersion due to being washed overboard from fishing boat | ||||
| V92.22XA | Drowning and submersion due to being washed overboard from fishing boat, initial encounterCMS: Drown due to being washed overboard from fishing boat, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.22XD | Drowning and submersion due to being washed overboard from fishing boat, subsequent encounterCMS: Drown due to being washed overboard from fishing boat, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.22XS | Drowning and submersion due to being washed overboard from fishing boat, sequelaCMS: Drown due to being washed ovrbrd from fishing boat, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.23 Drowning and submersion due to being washed overboard from other powered watercraft | ||||
| V92.23XA | Drowning and submersion due to being washed overboard from other powered watercraft, initial encounterCMS: Drown d/t being washed ovrbrd from oth power wtrcrft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.23XD | Drowning and submersion due to being washed overboard from other powered watercraft, subsequent encounterCMS: Drown d/t being washed ovrbrd from oth power wtrcrft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.23XS | Drowning and submersion due to being washed overboard from other powered watercraft, sequelaCMS: Drown d/t being washed ovrbrd from oth power wtrcrft, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.24 Drowning and submersion due to being washed overboard from sailboat | ||||
| V92.24XA | Drowning and submersion due to being washed overboard from sailboat, initial encounterCMS: Drown due to being washed overboard from sailboat, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.24XD | Drowning and submersion due to being washed overboard from sailboat, subsequent encounterCMS: Drown due to being washed overboard from sailboat, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.24XS | Drowning and submersion due to being washed overboard from sailboat, sequelaCMS: Drown due to being washed overboard from sailboat, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.25 Drowning and submersion due to being washed overboard from canoe or kayak | ||||
| V92.25XA | Drowning and submersion due to being washed overboard from canoe or kayak, initial encounterCMS: Drown due to being washed overboard from canoe/kayk, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.25XD | Drowning and submersion due to being washed overboard from canoe or kayak, subsequent encounterCMS: Drown due to being washed overboard from canoe/kayk, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.25XS | Drowning and submersion due to being washed overboard from canoe or kayak, sequelaCMS: Drown due to being washed overboard from canoe/kayk, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.26 Drowning and submersion due to being washed overboard from (nonpowered) inflatable craft | ||||
| V92.26XA | Drowning and submersion due to being washed overboard from (nonpowered) inflatable craft, initial encounterCMS: Drown due to being washed overboard from inflatbl crft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.26XD | Drowning and submersion due to being washed overboard from (nonpowered) inflatable craft, subsequent encounterCMS: Drown due to being washed overboard from inflatbl crft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.26XS | Drowning and submersion due to being washed overboard from (nonpowered) inflatable craft, sequelaCMS: Drown due to being washed ovrbrd from inflatbl crft, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.27 Drowning and submersion due to being washed overboard from water-skis | ||||
| V92.27XA | Drowning and submersion due to being washed overboard from water-skis, initial encounterCMS: Drown due to being washed overboard from water-skis, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.27XD | Drowning and submersion due to being washed overboard from water-skis, subsequent encounterCMS: Drown due to being washed overboard from water-skis, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.27XS | Drowning and submersion due to being washed overboard from water-skis, sequelaCMS: Drown due to being washed overboard from water-skis, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.28 Drowning and submersion due to being washed overboard from other unpowered watercraft | ||||
| V92.28XA | Drowning and submersion due to being washed overboard from other unpowered watercraft, initial encounterCMS: Drown due to being washed ovrbrd from unpowr wtrcrft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.28XD | Drowning and submersion due to being washed overboard from other unpowered watercraft, subsequent encounterCMS: Drown due to being washed ovrbrd from unpowr wtrcrft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.28XS | Drowning and submersion due to being washed overboard from other unpowered watercraft, sequelaCMS: Drown due to being washed ovrbrd from unpowr wtrcrft, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.29 Drowning and submersion due to being washed overboard from unspecified watercraft | ||||
| V92.29XA | Drowning and submersion due to being washed overboard from unspecified watercraft, initial encounterCMS: Drown due to being washed overboard from unsp wtrcrft, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.29XD | Drowning and submersion due to being washed overboard from unspecified watercraft, subsequent encounterCMS: Drown due to being washed overboard from unsp wtrcrft, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| V92.29XS | Drowning and submersion due to being washed overboard from unspecified watercraft, sequelaCMS: Drown due to being washed ovrbrd from unsp wtrcrft, 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.
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