MCMCB Pro
S34.109A

S34.109AUnspecified injury to unspecified level of lumbar spinal cord, initial encounter

Billable / specific codeICD-10-CM

S34.109A is a billable, specific ICD-10-CM code for unspecified injury to unspecified level of lumbar spinal cord, initial encounter. It is valid for submission on a claim.

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

Risk adjustment

S34.109A 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.

Medicare coverage

S34.109A is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56722Billing and Coding: Intraoperative Neurophysiological Testing
  • A57188Billing and Coding: Routine Foot Care
  • A57188Billing and Coding: Routine Foot Care
  • A57205Billing and Coding: Oximetry Services

Related codes at this level

Codes that share S34.109. If S34.109A is not quite right, the correct code is usually one of these.

Questions about S34.109A

Is S34.109A a billable ICD-10-CM code?
Yes. S34.109A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S34.109A sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39).
ICD-10-CMFY2026-Apr· effective April 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.