S34.121D Incomplete lesion of L1 level of lumbar spinal cord, subsequent encounter

Billable ICD-10-CM code, FY2026.

Built from S34.121 with 7th character D (subsequent encounter).

Applies from S34 Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level

Code also

• any associated:
• fracture of vertebra (S22.0-, S32.0-)
• open wound of abdomen, lower back and pelvis (S31.-)
• transient paralysis (R29.5)

7th character note

• The appropriate 7th character is to be added to each code from category S34

Notes

• Code to highest level of lumbar cord injury
• Injuries to the spinal cord (S34.0 and S34.1) refer to the cord level and not bone level injury, and can affect nerve roots at and below the level given.

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from S34.121 Incomplete lesion of L1 level of lumbar spinal cord

Applicable to

• Incomplete lesion of lumbar spinal cord level 1

Risk adjustment (HCC)

• CMS-HCC V28: HCC 182 — Spinal Cord Disorders/Injuries
• CMS-HCC V22: HCC 72 — Spinal Cord Disorders/Injuries
• ESRD V24: HCC 72

Code annotations containing back-references to S34.121D

Back-references to S34.1

• Code First: R29.5 Transient paralysis ("any associated spinal cord injury (S14.0, S14.1-, S24.0, S24.1-, S34.0-, S34.1-)")
• Code Also: S31 Open wound of abdomen, lower back, pelvis and external genitals ("spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)")
• Code Also: S33.1 Subluxation and dislocation of lumbar vertebra ("spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)")
• Use Additional: S38.1 Crushing injury of abdomen, lower back, and pelvis ("spinal cord injury (S34.0, S34.1-)")

Back-references to S34

• Type 1 Excludes: G83.8 Other specified paralytic syndromes ("paralytic syndromes due to current spinal cord injury-code to spinal cord injury (S14, S24, S34)")
• Code First: S32 Fracture of lumbar spine and pelvis ("any associated spinal cord and spinal nerve injury (S34.-)")

Diagnosis Index entries for S34.121D

• Injury › spinal (cord) › lumbar › incomplete lesion › L1 level

Nearby codes

• S34.119D Complete lesion of unspecified level of lumbar spinal cord, subsequent encounter
• S34.119S Complete lesion of unspecified level of lumbar spinal cord, sequela
• 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 encounter
• S34.121D Incomplete lesion of L1 level of lumbar spinal cord, subsequent encounter (this code)
• S34.121S Incomplete lesion of L1 level of lumbar spinal cord, sequela
• S34.122 Incomplete lesion of L2 level of lumbar spinal cord
• S34.122A Incomplete lesion of L2 level of lumbar spinal cord, initial encounter
• S34.122D Incomplete lesion of L2 level of lumbar spinal cord, subsequent encounter
• S34.122S Incomplete lesion of L2 level of lumbar spinal cord, sequela