ICD-10-CM category
S84 Injury of nerves at lower leg level
S84 is a category, not a billable code. Report one of the 45 complete codes below.
S84.0…
9 codes
- S84.00XAInjury of tibial nerve at lower leg level, unspecified leg, initial encounter
- S84.00XDInjury of tibial nerve at lower leg level, unspecified leg, subsequent encounter
- S84.00XSInjury of tibial nerve at lower leg level, unspecified leg, sequela
- S84.01XAInjury of tibial nerve at lower leg level, right leg, initial encounter
- S84.01XDInjury of tibial nerve at lower leg level, right leg, subsequent encounter
- S84.01XSInjury of tibial nerve at lower leg level, right leg, sequela
- S84.02XAInjury of tibial nerve at lower leg level, left leg, initial encounter
- S84.02XDInjury of tibial nerve at lower leg level, left leg, subsequent encounter
- S84.02XSInjury of tibial nerve at lower leg level, left leg, sequela
S84.1…
9 codes
- S84.10XAInjury of peroneal nerve at lower leg level, unspecified leg, initial encounter
- S84.10XDInjury of peroneal nerve at lower leg level, unspecified leg, subsequent encounter
- S84.10XSInjury of peroneal nerve at lower leg level, unspecified leg, sequela
- S84.11XAInjury of peroneal nerve at lower leg level, right leg, initial encounter
- S84.11XDInjury of peroneal nerve at lower leg level, right leg, subsequent encounter
- S84.11XSInjury of peroneal nerve at lower leg level, right leg, sequela
- S84.12XAInjury of peroneal nerve at lower leg level, left leg, initial encounter
- S84.12XDInjury of peroneal nerve at lower leg level, left leg, subsequent encounter
- S84.12XSInjury of peroneal nerve at lower leg level, left leg, sequela
S84.2…
9 codes
- S84.20XAInjury of cutaneous sensory nerve at lower leg level, unspecified leg, initial encounter
- S84.20XDInjury of cutaneous sensory nerve at lower leg level, unspecified leg, subsequent encounter
- S84.20XSInjury of cutaneous sensory nerve at lower leg level, unspecified leg, sequela
- S84.21XAInjury of cutaneous sensory nerve at lower leg level, right leg, initial encounter
- S84.21XDInjury of cutaneous sensory nerve at lower leg level, right leg, subsequent encounter
- S84.21XSInjury of cutaneous sensory nerve at lower leg level, right leg, sequela
- S84.22XAInjury of cutaneous sensory nerve at lower leg level, left leg, initial encounter
- S84.22XDInjury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter
- S84.22XSInjury of cutaneous sensory nerve at lower leg level, left leg, sequela
S84.8…
9 codes
- S84.801AInjury of other nerves at lower leg level, right leg, initial encounter
- S84.801DInjury of other nerves at lower leg level, right leg, subsequent encounter
- S84.801SInjury of other nerves at lower leg level, right leg, sequela
- S84.802AInjury of other nerves at lower leg level, left leg, initial encounter
- S84.802DInjury of other nerves at lower leg level, left leg, subsequent encounter
- S84.802SInjury of other nerves at lower leg level, left leg, sequela
- S84.809AInjury of other nerves at lower leg level, unspecified leg, initial encounter
- S84.809DInjury of other nerves at lower leg level, unspecified leg, subsequent encounter
- S84.809SInjury of other nerves at lower leg level, unspecified leg, sequela
S84.9…
9 codes
- S84.90XAInjury of unspecified nerve at lower leg level, unspecified leg, initial encounter
- S84.90XDInjury of unspecified nerve at lower leg level, unspecified leg, subsequent encounter
- S84.90XSInjury of unspecified nerve at lower leg level, unspecified leg, sequela
- S84.91XAInjury of unspecified nerve at lower leg level, right leg, initial encounter
- S84.91XDInjury of unspecified nerve at lower leg level, right leg, subsequent encounter
- S84.91XSInjury of unspecified nerve at lower leg level, right leg, sequela
- S84.92XAInjury of unspecified nerve at lower leg level, left leg, initial encounter
- S84.92XDInjury of unspecified nerve at lower leg level, left leg, subsequent encounter
- S84.92XSInjury of unspecified nerve at lower leg level, left leg, sequela
Outside the US? S84 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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