S94.20XS ICD-10-CM Code: Injury of deep peroneal nerve at ankle and foot level, unspecified leg, sequela
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.
- MS-DRG 091 — OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC (MDC 01)
- MS-DRG 092 — OTHER DISORDERS OF NERVOUS SYSTEM WITH CC (MDC 01)
- MS-DRG 093 — OTHER DISORDERS OF NERVOUS SYSTEM WITHOUT CC/MCC (MDC 01)
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.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S94.20XS in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burns and corrosions (T20-T32)
- fracture of ankle and malleolus (S82.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound (S91.-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S94.20XS require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S94.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S94.20XS in its code family, with their registry titles.
- S94.12XS — Injury of medial plantar nerve, left leg, sequela
- S94.2 — Injury of deep peroneal nerve at ankle and foot level
- S94.20 — Injury of deep peroneal nerve at ankle and foot level, unspecified leg
- S94.20XA — Injury of deep peroneal nerve at ankle and foot level, unspecified leg, initial encounter
- S94.20XD — Injury of deep peroneal nerve at ankle and foot level, unspecified leg, subsequent encounter
- S94.21 — Injury of deep peroneal nerve at ankle and foot level, right leg
- S94.21XA — Injury of deep peroneal nerve at ankle and foot level, right leg, initial encounter
- S94.21XD — Injury of deep peroneal nerve at ankle and foot level, right leg, subsequent encounter
- S94.21XS — Injury of deep peroneal nerve at ankle and foot level, right leg, sequela
- S94.22 — Injury of deep peroneal nerve at ankle and foot level, left leg