ICD-10 · PDGM grouping
S34 Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level
All 93 codes in the S34 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.
Codes in family
93
Can lead a claim
63
Cannot lead a claim
30
What CMS assigns to S34
63 of the 93 codes group to Neuro Rehabilitation (62) and Wound (1); 30 are assigned no clinical group. None of the 93 is assigned a comorbidity subgroup. 63 of the 93 can lead a claim.
Every code in S34
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 |
|---|---|---|---|---|
| S34.0 Concussion and edema of lumbar and sacral spinal cord | ||||
| S34.01 Concussion and edema of lumbar spinal cord | ||||
| S34.01XA | Concussion and edema of lumbar spinal cord, initial encounterCMS: Concussion and edema of lumbar spinal cord, init encntr | Can lead a claim | B | None |
| S34.01XD | Concussion and edema of lumbar spinal cord, subsequent encounterCMS: Concussion and edema of lumbar spinal cord, subs encntr | Can lead a claim | B | None |
| S34.01XS | Concussion and edema of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.02 Concussion and edema of sacral spinal cord | ||||
| S34.02XA | Concussion and edema of sacral spinal cord, initial encounterCMS: Concussion and edema of sacral spinal cord, init encntr | Can lead a claim | B | None |
| S34.02XD | Concussion and edema of sacral spinal cord, subsequent encounterCMS: Concussion and edema of sacral spinal cord, subs encntr | Can lead a claim | B | None |
| S34.02XS | Concussion and edema of sacral spinal cord, sequela | Can lead a claim | B | None |
| S34.1 Other and unspecified injury of lumbar and sacral spinal cord | ||||
| S34.10 Unspecified injury to lumbar spinal cord | ||||
| S34.101 Unspecified injury to L1 level of lumbar spinal cord | ||||
| S34.101A | Unspecified injury to L1 level of lumbar spinal cord, initial encounterCMS: Unsp injury to L1 level of lumbar spinal cord, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.101D | Unspecified injury to L1 level of lumbar spinal cord, subsequent encounterCMS: Unsp injury to L1 level of lumbar spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.101S | Unspecified injury to L1 level of lumbar spinal cord, sequelaCMS: Unsp injury to L1 level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.102 Unspecified injury to L2 level of lumbar spinal cord | ||||
| S34.102A | Unspecified injury to L2 level of lumbar spinal cord, initial encounterCMS: Unsp injury to L2 level of lumbar spinal cord, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.102D | Unspecified injury to L2 level of lumbar spinal cord, subsequent encounterCMS: Unsp injury to L2 level of lumbar spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.102S | Unspecified injury to L2 level of lumbar spinal cord, sequelaCMS: Unsp injury to L2 level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.103 Unspecified injury to L3 level of lumbar spinal cord | ||||
| S34.103A | Unspecified injury to L3 level of lumbar spinal cord, initial encounterCMS: Unsp injury to L3 level of lumbar spinal cord, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.103D | Unspecified injury to L3 level of lumbar spinal cord, subsequent encounterCMS: Unsp injury to L3 level of lumbar spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.103S | Unspecified injury to L3 level of lumbar spinal cord, sequelaCMS: Unsp injury to L3 level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.104 Unspecified injury to L4 level of lumbar spinal cord | ||||
| S34.104A | Unspecified injury to L4 level of lumbar spinal cord, initial encounterCMS: Unsp injury to L4 level of lumbar spinal cord, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.104D | Unspecified injury to L4 level of lumbar spinal cord, subsequent encounterCMS: Unsp injury to L4 level of lumbar spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.104S | Unspecified injury to L4 level of lumbar spinal cord, sequelaCMS: Unsp injury to L4 level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.105 Unspecified injury to L5 level of lumbar spinal cord | ||||
| S34.105A | Unspecified injury to L5 level of lumbar spinal cord, initial encounterCMS: Unsp injury to L5 level of lumbar spinal cord, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.105D | Unspecified injury to L5 level of lumbar spinal cord, subsequent encounterCMS: Unsp injury to L5 level of lumbar spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.105S | Unspecified injury to L5 level of lumbar spinal cord, sequelaCMS: Unsp injury to L5 level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.109 Unspecified injury to unspecified level of lumbar spinal cord | ||||
| S34.109A | Unspecified injury to unspecified level of lumbar spinal cord, initial encounterCMS: Unsp injury to unsp level of lumbar spinal cord, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.109D | Unspecified injury to unspecified level of lumbar spinal cord, subsequent encounterCMS: Unsp injury to unsp level of lumbar spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.109S | Unspecified injury to unspecified level of lumbar spinal cord, sequelaCMS: Unsp injury to unsp level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.11 Complete lesion of lumbar spinal cord | ||||
| S34.111 Complete lesion of L1 level of lumbar spinal cord | ||||
| S34.111A | Complete lesion of L1 level of lumbar spinal cord, initial encounterCMS: Complete lesion of L1 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.111D | Complete lesion of L1 level of lumbar spinal cord, subsequent encounterCMS: Complete lesion of L1 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.111S | Complete lesion of L1 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.112 Complete lesion of L2 level of lumbar spinal cord | ||||
| S34.112A | Complete lesion of L2 level of lumbar spinal cord, initial encounterCMS: Complete lesion of L2 level of lumbar spinal cord, init | Can lead a claim | C | None |
| S34.112D | Complete lesion of L2 level of lumbar spinal cord, subsequent encounterCMS: Complete lesion of L2 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.112S | Complete lesion of L2 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.113 Complete lesion of L3 level of lumbar spinal cord | ||||
| S34.113A | Complete lesion of L3 level of lumbar spinal cord, initial encounterCMS: Complete lesion of L3 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.113D | Complete lesion of L3 level of lumbar spinal cord, subsequent encounterCMS: Complete lesion of L3 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.113S | Complete lesion of L3 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.114 Complete lesion of L4 level of lumbar spinal cord | ||||
| S34.114A | Complete lesion of L4 level of lumbar spinal cord, initial encounterCMS: Complete lesion of L4 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.114D | Complete lesion of L4 level of lumbar spinal cord, subsequent encounterCMS: Complete lesion of L4 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.114S | Complete lesion of L4 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.115 Complete lesion of L5 level of lumbar spinal cord | ||||
| S34.115A | Complete lesion of L5 level of lumbar spinal cord, initial encounterCMS: Complete lesion of L5 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.115D | Complete lesion of L5 level of lumbar spinal cord, subsequent encounterCMS: Complete lesion of L5 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.115S | Complete lesion of L5 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.119 Complete lesion of unspecified level of lumbar spinal cord | ||||
| S34.119A | Complete lesion of unspecified level of lumbar spinal cord, initial encounterCMS: Complete lesion of unsp level of lumbar spinal cord, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.119D | Complete lesion of unspecified level of lumbar spinal cord, subsequent encounterCMS: Complete lesion of unsp level of lumbar spinal cord, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.119S | Complete lesion of unspecified level of lumbar spinal cord, sequelaCMS: Complete lesion of unsp level of lumbar spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.12 Incomplete lesion of lumbar spinal cord | ||||
| S34.121 Incomplete lesion of L1 level of lumbar spinal cord | ||||
| S34.121A | Incomplete lesion of L1 level of lumbar spinal cord, initial encounterCMS: Incomplete lesion of L1 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.121D | Incomplete lesion of L1 level of lumbar spinal cord, subsequent encounterCMS: Incomplete lesion of L1 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.121S | Incomplete lesion of L1 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.122 Incomplete lesion of L2 level of lumbar spinal cord | ||||
| S34.122A | Incomplete lesion of L2 level of lumbar spinal cord, initial encounterCMS: Incomplete lesion of L2 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.122D | Incomplete lesion of L2 level of lumbar spinal cord, subsequent encounterCMS: Incomplete lesion of L2 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.122S | Incomplete lesion of L2 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.123 Incomplete lesion of L3 level of lumbar spinal cord | ||||
| S34.123A | Incomplete lesion of L3 level of lumbar spinal cord, initial encounterCMS: Incomplete lesion of L3 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.123D | Incomplete lesion of L3 level of lumbar spinal cord, subsequent encounterCMS: Incomplete lesion of L3 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.123S | Incomplete lesion of L3 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.124 Incomplete lesion of L4 level of lumbar spinal cord | ||||
| S34.124A | Incomplete lesion of L4 level of lumbar spinal cord, initial encounterCMS: Incomplete lesion of L4 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.124D | Incomplete lesion of L4 level of lumbar spinal cord, subsequent encounterCMS: Incomplete lesion of L4 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.124S | Incomplete lesion of L4 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.125 Incomplete lesion of L5 level of lumbar spinal cord | ||||
| S34.125A | Incomplete lesion of L5 level of lumbar spinal cord, initial encounterCMS: Incomplete lesion of L5 level of lumbar spinal cord, init | Can lead a claim | B | None |
| S34.125D | Incomplete lesion of L5 level of lumbar spinal cord, subsequent encounterCMS: Incomplete lesion of L5 level of lumbar spinal cord, subs | Can lead a claim | B | None |
| S34.125S | Incomplete lesion of L5 level of lumbar spinal cord, sequela | Can lead a claim | B | None |
| S34.129 Incomplete lesion of unspecified level of lumbar spinal cord | ||||
| S34.129A | Incomplete lesion of unspecified level of lumbar spinal cord, initial encounterCMS: Incomplete lesion of unsp level of lumbar spinal cord, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.129D | Incomplete lesion of unspecified level of lumbar spinal cord, subsequent encounterCMS: Incomplete lesion of unsp level of lumbar spinal cord, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.129S | Incomplete lesion of unspecified level of lumbar spinal cord, sequelaCMS: Incomplete lesion of unsp level of lum spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.13 Other and unspecified injury to sacral spinal cord | ||||
| S34.131 Complete lesion of sacral spinal cord | ||||
| S34.131A | Complete lesion of sacral spinal cord, initial encounter | Can lead a claim | B | None |
| S34.131D | Complete lesion of sacral spinal cord, subsequent encounter | Can lead a claim | B | None |
| S34.131S | Complete lesion of sacral spinal cord, sequela | Can lead a claim | B | None |
| S34.132 Incomplete lesion of sacral spinal cord | ||||
| S34.132A | Incomplete lesion of sacral spinal cord, initial encounter | Can lead a claim | B | None |
| S34.132D | Incomplete lesion of sacral spinal cord, subsequent encounterCMS: Incomplete lesion of sacral spinal cord, subs encntr | Can lead a claim | B | None |
| S34.132S | Incomplete lesion of sacral spinal cord, sequela | Can lead a claim | B | None |
| S34.139 Unspecified injury to sacral spinal cord | ||||
| S34.139A | Unspecified injury to sacral spinal cord, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.139D | Unspecified injury to sacral spinal cord, subsequent encounterCMS: Unspecified injury to sacral spinal cord, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.139S | Unspecified injury to sacral spinal cord, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.2 Injury of nerve root of lumbar and sacral spine | ||||
| S34.21 Injury of nerve root of lumbar spine | ||||
| S34.21XA | Injury of nerve root of lumbar spine, initial encounter | Can lead a claim | B | None |
| S34.21XD | Injury of nerve root of lumbar spine, subsequent encounter | Can lead a claim | B | None |
| S34.21XS | Injury of nerve root of lumbar spine, sequela | Can lead a claim | B | None |
| S34.22 Injury of nerve root of sacral spine | ||||
| S34.22XA | Injury of nerve root of sacral spine, initial encounter | Can lead a claim | B | None |
| S34.22XD | Injury of nerve root of sacral spine, subsequent encounter | Can lead a claim | B | None |
| S34.22XS | Injury of nerve root of sacral spine, sequela | Can lead a claim | B | None |
| S34.3 Injury of cauda equina | ||||
| S34.3XXA | Injury of cauda equina, initial encounter | Can lead a claim | B | None |
| S34.3XXD | Injury of cauda equina, subsequent encounter | Can lead a claim | B | None |
| S34.3XXS | Injury of cauda equina, sequela | Can lead a claim | B | None |
| S34.4 Injury of lumbosacral plexus | ||||
| S34.4XXA | Injury of lumbosacral plexus, initial encounter | Can lead a claim | B | None |
| S34.4XXD | Injury of lumbosacral plexus, subsequent encounter | Can lead a claim | B | None |
| S34.4XXS | Injury of lumbosacral plexus, sequela | Can lead a claim | B | None |
| S34.5 Injury of lumbar, sacral and pelvic sympathetic nerves | ||||
| S34.5XXA | Injury of lumbar, sacral and pelvic sympathetic nerves, initial encounterCMS: Injury of lumbar, sacral and pelvic sympathetic nerves, init | Can lead a claim | B | None |
| S34.5XXD | Injury of lumbar, sacral and pelvic sympathetic nerves, subsequent encounterCMS: Injury of lumbar, sacral and pelvic sympathetic nerves, subs | Can lead a claim | B | None |
| S34.5XXS | Injury of lumbar, sacral and pelvic sympathetic nerves, sequelaCMS: Inj lumbar, sacral and pelvic sympathetic nerves, sequela | Can lead a claim | B | None |
| S34.6 Injury of peripheral nerve(s) at abdomen, lower back and pelvis level | ||||
| S34.6XXA | Injury of peripheral nerve(s) at abdomen, lower back and pelvis level, initial encounterCMS: Inj prph nerve(s) at abd, low back and pelvis level, init | Can lead a claim | B | None |
| S34.6XXD | Injury of peripheral nerve(s) at abdomen, lower back and pelvis level, subsequent encounterCMS: Inj prph nerve(s) at abd, low back and pelvis level, subs | Can lead a claim | B | None |
| S34.6XXS | Injury of peripheral nerve(s) at abdomen, lower back and pelvis level, sequelaCMS: Inj prph nerve(s) at abd, low back and pelvis level, sequela | Can lead a claim | B | None |
| S34.8 Injury of other nerves at abdomen, lower back and pelvis level | ||||
| S34.8XXA | Injury of other nerves at abdomen, lower back and pelvis level, initial encounterCMS: Injury of nerves at abdomen, low back and pelvis level, init | Can lead a claim | B | None |
| S34.8XXD | Injury of other nerves at abdomen, lower back and pelvis level, subsequent encounterCMS: Injury of nerves at abdomen, low back and pelvis level, subs | Can lead a claim | B | None |
| S34.8XXS | Injury of other nerves at abdomen, lower back and pelvis level, sequelaCMS: Inj nerves at abdomen, low back and pelvis level, sequela | Can lead a claim | B | None |
| S34.9 Injury of unspecified nerves at abdomen, lower back and pelvis level | ||||
| S34.9XXA | Injury of unspecified nerves at abdomen, lower back and pelvis level, initial encounterCMS: Inj unsp nerves at abdomen, low back and pelvis level, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.9XXD | Injury of unspecified nerves at abdomen, lower back and pelvis level, subsequent encounterCMS: Inj unsp nerves at abdomen, low back and pelvis level, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S34.9XXS | Injury of unspecified nerves at abdomen, lower back and pelvis level, sequelaCMS: Inj unsp nerves at abd, low back and pelvis level, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | 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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