MCMedicalCodingSoftware
S34.125A

S34.125A: Incomplete lesion of L5 level of lumbar spinal cord, initial encounter

Billable / specific codeICD-10-CM

S34.125A is a billable, specific ICD-10-CM code for incomplete lesion of l5 level of lumbar spinal cord, initial encounter. It is valid for submission on a claim.

Check S34.125A with the rest of the claim: free scrubber

7th character "A": initial encounter

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

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Incomplete lesion of lumbar spinal cord level 5

Risk adjustment

S34.125A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 182 Spinal Cord Disorders/Injuries0.478 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

S34.125A is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56722Billing and Coding: Intraoperative Neurophysiological Testing

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S34.125

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.