G57.50 is the authoritative medical code for Tarsal tunnel syndrome, unspecified lower limb. This classification is used in medical billing and clinical recording to specify the clinical criteria for tarsal tunnel syndrome, unspecified lower limb (ICD-10-CM G57.50), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Tarsal tunnel syndrome, unspecified lower limb is a billable ICD-10-CM diagnosis code G57.50. Excludes1 (not coded here): current traumatic nerve disorder - see nerve injury by body region; current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region; neuralgia NOS M79.2; neuritis NOS M79.2; peripheral neuritis in pregnancy O26.82-; radiculitis NOS M54.1-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G57.50 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- current traumatic nerve disorder - see nerve injury by body region
- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- neuralgia NOS M79.2
- neuritis NOS M79.2
- peripheral neuritis in pregnancy O26.82-
- radiculitis NOS M54.1-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G57.50?
Per Excludes1 instructions, G57.50 must not be reported with: current traumatic nerve disorder - see nerve injury by body region; current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region; neuralgia NOS (M79.2); neuritis NOS (M79.2).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as G57.50, with their registry titles.
- G57 — Mononeuropathies of lower limb
- G57.0 — Lesion of sciatic nerve
- G57.00 — Lesion of sciatic nerve, unspecified lower limb
- G57.01 — Lesion of sciatic nerve, right lower limb
- G57.02 — Lesion of sciatic nerve, left lower limb
- G57.03 — Lesion of sciatic nerve, bilateral lower limbs
- G57.1 — Meralgia paresthetica
- G57.10 — Meralgia paresthetica, unspecified lower limb
- G57.11 — Meralgia paresthetica, right lower limb
- G57.12 — Meralgia paresthetica, left lower limb
- G57.13 — Meralgia paresthetica, bilateral lower limbs
- G57.2 — Lesion of femoral nerve
- G57.20 — Lesion of femoral nerve, unspecified lower limb
- G57.21 — Lesion of femoral nerve, right lower limb
- G57.22 — Lesion of femoral nerve, left lower limb
- G57.23 — Lesion of femoral nerve, bilateral lower limbs
- G57.3 — Lesion of lateral popliteal nerve
- G57.30 — Lesion of lateral popliteal nerve, unspecified lower limb
- G57.31 — Lesion of lateral popliteal nerve, right lower limb
- G57.32 — Lesion of lateral popliteal nerve, left lower limb
- G57.33 — Lesion of lateral popliteal nerve, bilateral lower limbs
- G57.4 — Lesion of medial popliteal nerve
- G57.40 — Lesion of medial popliteal nerve, unspecified lower limb
- G57.41 — Lesion of medial popliteal nerve, right lower limb
- G57.42 — Lesion of medial popliteal nerve, left lower limb
- G57.43 — Lesion of medial popliteal nerve, bilateral lower limbs
- G57.5 — Tarsal tunnel syndrome
- G57.51 — Tarsal tunnel syndrome, right lower limb
- G57.52 — Tarsal tunnel syndrome, left lower limb
- G57.53 — Tarsal tunnel syndrome, bilateral lower limbs
- G57.6 — Lesion of plantar nerve
- G57.60 — Lesion of plantar nerve, unspecified lower limb
- G57.61 — Lesion of plantar nerve, right lower limb
- G57.62 — Lesion of plantar nerve, left lower limb
- G57.63 — Lesion of plantar nerve, bilateral lower limbs
- G57.7 — Causalgia of lower limb
- G57.70 — Causalgia of unspecified lower limb
- G57.71 — Causalgia of right lower limb
- G57.72 — Causalgia of left lower limb
- G57.73 — Causalgia of bilateral lower limbs
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: