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S84 Injury of nerves at lower leg level

ICD-10-CM category S84 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 45 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

S84.0 Injury of tibial nerve at lower leg levelS84.00 Injury of tibial nerve at lower leg level, unspecified legS84.01 Injury of tibial nerve at lower leg level, right legS84.02 Injury of tibial nerve at lower leg level, left legS84.1 Injury of peroneal nerve at lower leg levelS84.10 Injury of peroneal nerve at lower leg level, unspecified legS84.11 Injury of peroneal nerve at lower leg level, right legS84.12 Injury of peroneal nerve at lower leg level, left legS84.2 Injury of cutaneous sensory nerve at lower leg levelS84.20 Injury of cutan sensory nerve at lower leg level, unsp legS84.21 Injury of cutan sensory nerve at lower leg level, right legS84.22 Injury of cutan sensory nerve at lower leg level, left legS84.8 Injury of other nerves at lower leg levelS84.80 Injury of other nerves at lower leg levelS84.801 Injury of other nerves at lower leg level, right legS84.802 Injury of other nerves at lower leg level, left legS84.809 Injury of other nerves at lower leg level, unspecified legS84.9 Injury of unspecified nerve at lower leg levelS84.90 Injury of unsp nerve at lower leg level, unspecified legS84.91 Injury of unspecified nerve at lower leg level, right legS84.92 Injury of unspecified nerve at lower leg level, left leg

Billable codes in S84

CodeDescription
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
S84.10XAInjury 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
S84.20XAInjury 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
S84.801AInjury 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
S84.90XAInjury 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

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