S34.21XD — Injury of nerve root of lumbar spine, subsequent encounter

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Injury of nerve root of lumbar spine, subsequent encounter is a billable ICD-10-CM diagnosis code (S34.21D).

Sequencing, inclusion, and exclusion notes published for S34.21XD in the official ICD-10-CM tabular list.

Conditions the official ICD-10-CM tabular list includes under this code.

Conditions not covered by this code, but which may be reported alongside it when both are present.

burns and corrosions (T20-T32)
effects of foreign body in anus and rectum (T18.5)
effects of foreign body in genitourinary tract (T19.-)
effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Additional codes that may be required to fully describe the encounter.

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

Official ICD-10-CM classifications closest to S34.21XD in its code family, with their registry titles.