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ICD-10-CM category

S84: Injury of nerves at lower leg level

132 subcodes · 90 billable · Look up any code with the ICD-10 search

Codes under S84 (Injury of nerves at lower leg level). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
S84.0 Injury of tibial nerve at lower leg level —
S84.0 Injury of tibial nerve at lower leg level —
S84.00 Injury of tibial nerve at lower leg level, unspecified leg —
S84.00 Injury of tibial nerve at lower leg level, unspecified leg —
S84.00XA Injury of tibial nerve at lower leg level, unspecified leg, initial encounter ✓
S84.00XA Injury of tibial nerve at lower leg level, unspecified leg, initial encounter ✓
S84.00XD Injury of tibial nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.00XD Injury of tibial nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.00XS Injury of tibial nerve at lower leg level, unspecified leg, sequela ✓
S84.00XS Injury of tibial nerve at lower leg level, unspecified leg, sequela ✓
S84.01 Injury of tibial nerve at lower leg level, right leg —
S84.01 Injury of tibial nerve at lower leg level, right leg —
S84.1 Injury of peroneal nerve at lower leg level —
S84.1 Injury of peroneal nerve at lower leg level —
S84.01XA Injury of tibial nerve at lower leg level, right leg, initial encounter ✓
S84.01XA Injury of tibial nerve at lower leg level, right leg, initial encounter ✓
S84.01XD Injury of tibial nerve at lower leg level, right leg, subsequent encounter ✓
S84.01XD Injury of tibial nerve at lower leg level, right leg, subsequent encounter ✓
S84.01XS Injury of tibial nerve at lower leg level, right leg, sequela ✓
S84.01XS Injury of tibial nerve at lower leg level, right leg, sequela ✓
S84.02 Injury of tibial nerve at lower leg level, left leg —
S84.02 Injury of tibial nerve at lower leg level, left leg —
S84.2 Injury of cutaneous sensory nerve at lower leg level —
S84.2 Injury of cutaneous sensory nerve at lower leg level —
S84.02XA Injury of tibial nerve at lower leg level, left leg, initial encounter ✓
S84.02XA Injury of tibial nerve at lower leg level, left leg, initial encounter ✓
S84.02XD Injury of tibial nerve at lower leg level, left leg, subsequent encounter ✓
S84.02XD Injury of tibial nerve at lower leg level, left leg, subsequent encounter ✓
S84.02XS Injury of tibial nerve at lower leg level, left leg, sequela ✓
S84.02XS Injury of tibial nerve at lower leg level, left leg, sequela ✓
S84.8 Injury of other nerves at lower leg level —
S84.8 Injury of other nerves at lower leg level —
S84.9 Injury of unspecified nerve at lower leg level —
S84.9 Injury of unspecified nerve at lower leg level —
S84.10 Injury of peroneal nerve at lower leg level, unspecified leg —
S84.10 Injury of peroneal nerve at lower leg level, unspecified leg —
S84.10XA Injury of peroneal nerve at lower leg level, unspecified leg, initial encounter ✓
S84.10XA Injury of peroneal nerve at lower leg level, unspecified leg, initial encounter ✓
S84.10XD Injury of peroneal nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.10XD Injury of peroneal nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.10XS Injury of peroneal nerve at lower leg level, unspecified leg, sequela ✓
S84.10XS Injury of peroneal nerve at lower leg level, unspecified leg, sequela ✓
S84.11 Injury of peroneal nerve at lower leg level, right leg —
S84.11 Injury of peroneal nerve at lower leg level, right leg —
S84.11XA Injury of peroneal nerve at lower leg level, right leg, initial encounter ✓
S84.11XA Injury of peroneal nerve at lower leg level, right leg, initial encounter ✓
S84.11XD Injury of peroneal nerve at lower leg level, right leg, subsequent encounter ✓
S84.11XD Injury of peroneal nerve at lower leg level, right leg, subsequent encounter ✓
S84.11XS Injury of peroneal nerve at lower leg level, right leg, sequela ✓
S84.11XS Injury of peroneal nerve at lower leg level, right leg, sequela ✓
S84.12 Injury of peroneal nerve at lower leg level, left leg —
S84.12 Injury of peroneal nerve at lower leg level, left leg —
S84.12XA Injury of peroneal nerve at lower leg level, left leg, initial encounter ✓
S84.12XA Injury of peroneal nerve at lower leg level, left leg, initial encounter ✓
S84.12XD Injury of peroneal nerve at lower leg level, left leg, subsequent encounter ✓
S84.12XD Injury of peroneal nerve at lower leg level, left leg, subsequent encounter ✓
S84.12XS Injury of peroneal nerve at lower leg level, left leg, sequela ✓
S84.12XS Injury of peroneal nerve at lower leg level, left leg, sequela ✓
S84.20 Injury of cutaneous sensory nerve at lower leg level, unspecified leg —
S84.20 Injury of cutaneous sensory nerve at lower leg level, unspecified leg —
S84.20XA Injury of cutaneous sensory nerve at lower leg level, unspecified leg, initial encounter ✓
S84.20XA Injury of cutaneous sensory nerve at lower leg level, unspecified leg, initial encounter ✓
S84.20XD Injury of cutaneous sensory nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.20XD Injury of cutaneous sensory nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.20XS Injury of cutaneous sensory nerve at lower leg level, unspecified leg, sequela ✓
S84.20XS Injury of cutaneous sensory nerve at lower leg level, unspecified leg, sequela ✓
S84.21 Injury of cutaneous sensory nerve at lower leg level, right leg —
S84.21 Injury of cutaneous sensory nerve at lower leg level, right leg —
S84.21XA Injury of cutaneous sensory nerve at lower leg level, right leg, initial encounter ✓
S84.21XA Injury of cutaneous sensory nerve at lower leg level, right leg, initial encounter ✓
S84.21XD Injury of cutaneous sensory nerve at lower leg level, right leg, subsequent encounter ✓
S84.21XD Injury of cutaneous sensory nerve at lower leg level, right leg, subsequent encounter ✓
S84.21XS Injury of cutaneous sensory nerve at lower leg level, right leg, sequela ✓
S84.21XS Injury of cutaneous sensory nerve at lower leg level, right leg, sequela ✓
S84.22 Injury of cutaneous sensory nerve at lower leg level, left leg —
S84.22 Injury of cutaneous sensory nerve at lower leg level, left leg —
S84.22XA Injury of cutaneous sensory nerve at lower leg level, left leg, initial encounter ✓
S84.22XA Injury of cutaneous sensory nerve at lower leg level, left leg, initial encounter ✓
S84.22XD Injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter ✓
S84.22XD Injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter ✓
S84.22XS Injury of cutaneous sensory nerve at lower leg level, left leg, sequela ✓
S84.22XS Injury of cutaneous sensory nerve at lower leg level, left leg, sequela ✓
S84.80 Injury of other nerves at lower leg level —
S84.80 Injury of other nerves at lower leg level —
S84.90 Injury of unspecified nerve at lower leg level, unspecified leg —
S84.90 Injury of unspecified nerve at lower leg level, unspecified leg —
S84.90XA Injury of unspecified nerve at lower leg level, unspecified leg, initial encounter ✓
S84.90XA Injury of unspecified nerve at lower leg level, unspecified leg, initial encounter ✓
S84.90XD Injury of unspecified nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.90XD Injury of unspecified nerve at lower leg level, unspecified leg, subsequent encounter ✓
S84.90XS Injury of unspecified nerve at lower leg level, unspecified leg, sequela ✓
S84.90XS Injury of unspecified nerve at lower leg level, unspecified leg, sequela ✓
S84.91 Injury of unspecified nerve at lower leg level, right leg —
S84.91 Injury of unspecified nerve at lower leg level, right leg —
S84.91XA Injury of unspecified nerve at lower leg level, right leg, initial encounter ✓
S84.91XA Injury of unspecified nerve at lower leg level, right leg, initial encounter ✓
S84.91XD Injury of unspecified nerve at lower leg level, right leg, subsequent encounter ✓
S84.91XD Injury of unspecified nerve at lower leg level, right leg, subsequent encounter ✓
S84.91XS Injury of unspecified nerve at lower leg level, right leg, sequela ✓
S84.91XS Injury of unspecified nerve at lower leg level, right leg, sequela ✓
S84.92 Injury of unspecified nerve at lower leg level, left leg —
S84.92 Injury of unspecified nerve at lower leg level, left leg —
S84.92XA Injury of unspecified nerve at lower leg level, left leg, initial encounter ✓
S84.92XA Injury of unspecified nerve at lower leg level, left leg, initial encounter ✓
S84.92XD Injury of unspecified nerve at lower leg level, left leg, subsequent encounter ✓
S84.92XD Injury of unspecified nerve at lower leg level, left leg, subsequent encounter ✓
S84.92XS Injury of unspecified nerve at lower leg level, left leg, sequela ✓
S84.92XS Injury of unspecified nerve at lower leg level, left leg, sequela ✓
S84.801 Injury of other nerves at lower leg level, right leg —
S84.801 Injury of other nerves at lower leg level, right leg —
S84.801A Injury of other nerves at lower leg level, right leg, initial encounter ✓
S84.801A Injury of other nerves at lower leg level, right leg, initial encounter ✓
S84.801D Injury of other nerves at lower leg level, right leg, subsequent encounter ✓
S84.801D Injury of other nerves at lower leg level, right leg, subsequent encounter ✓
S84.801S Injury of other nerves at lower leg level, right leg, sequela ✓
S84.801S Injury of other nerves at lower leg level, right leg, sequela ✓
S84.802 Injury of other nerves at lower leg level, left leg —
S84.802 Injury of other nerves at lower leg level, left leg —
S84.802A Injury of other nerves at lower leg level, left leg, initial encounter ✓
S84.802A Injury of other nerves at lower leg level, left leg, initial encounter ✓
S84.802D Injury of other nerves at lower leg level, left leg, subsequent encounter ✓
S84.802D Injury of other nerves at lower leg level, left leg, subsequent encounter ✓
S84.802S Injury of other nerves at lower leg level, left leg, sequela ✓
S84.802S Injury of other nerves at lower leg level, left leg, sequela ✓
S84.809 Injury of other nerves at lower leg level, unspecified leg —
S84.809 Injury of other nerves at lower leg level, unspecified leg —
S84.809A Injury of other nerves at lower leg level, unspecified leg, initial encounter ✓
S84.809A Injury of other nerves at lower leg level, unspecified leg, initial encounter ✓
S84.809D Injury of other nerves at lower leg level, unspecified leg, subsequent encounter ✓
S84.809D Injury of other nerves at lower leg level, unspecified leg, subsequent encounter ✓
S84.809S Injury of other nerves at lower leg level, unspecified leg, sequela ✓
S84.809S Injury of other nerves at lower leg level, unspecified leg, sequela ✓

Frequently asked questions

What is ICD-10-CM code S84?

S84 is an ICD-10-CM category covering Injury of nerves at lower leg level. It contains 132 more specific diagnosis codes, 90 of which are billable.

Is S84 a billable code?

No — S84 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example S84.0 — Injury of tibial nerve at lower leg level). 90 of the 132 codes under S84 are billable.

What codes fall under S84?

S84 includes S84.0, S84.0, S84.00, S84.00, S84.00XA, plus 127 more. See the full list with descriptions and billable status above.

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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