S34.121Header code — not billable
Incomplete lesion of L1 level of lumbar spinal cord
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S34
- Effective date
- October 1, 2026
Related codes in category S34
S34Inj lower spinl cord and nrv at abd, low back and pelv levelS34.0Concussion and edema of lumbar and sacral spinal cordS34.01Concussion and edema of lumbar spinal cordS34.01XAConcussion and edema of lumbar spinal cord, init encntrYesS34.01XDConcussion and edema of lumbar spinal cord, subs encntrYesS34.01XSConcussion and edema of lumbar spinal cord, sequelaYesS34.02Concussion and edema of sacral spinal cordS34.02XAConcussion and edema of sacral spinal cord, init encntrYesS34.02XDConcussion and edema of sacral spinal cord, subs encntrYesS34.02XSConcussion and edema of sacral spinal cord, sequelaYesS34.1Other and unsp injury of lumbar and sacral spinal cordS34.10Unspecified injury to lumbar spinal cord
Frequently asked questions
What is ICD-10 code S34.121?
S34.121 is an ICD-10-CM diagnosis code for Incomplete lesion of L1 level of lumbar spinal cord.
Is S34.121 a billable code?
No. S34.121 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is S34.121 in?
S34.121 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S34.121 become effective?
S34.121 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S34.121?
S34.121 belongs to category S34, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.