Section G50-G59 | Nerve, nerve root and plexus disorders

G50

Code hierarchy

G50 Disorders of trigeminal nerve
- G50.0 Trigeminal neuralgia
- G50.1 Atypical facial pain
- G50.8 Other disorders of trigeminal nerve
- G50.9 Disorder of trigeminal nerve, unspecified

Disorders of trigeminal nerve

G51

Code hierarchy

G51 Facial nerve disorders
- G51.0 Bell's palsy
- G51.1 Geniculate ganglionitis
- G51.2 Melkersson's syndrome
- G51.3 Clonic hemifacial spasm
  - G51.31 Clonic hemifacial spasm, right
  - G51.32 Clonic hemifacial spasm, left
  - G51.33 Clonic hemifacial spasm, bilateral
  - G51.39 Clonic hemifacial spasm, unspecified
- G51.4 Facial myokymia
- G51.8 Other disorders of facial nerve
- G51.9 Disorder of facial nerve, unspecified

Facial nerve disorders

G52

Code hierarchy

G52 Disorders of other cranial nerves
- G52.0 Disorders of olfactory nerve
- G52.1 Disorders of glossopharyngeal nerve
- G52.2 Disorders of vagus nerve
- G52.3 Disorders of hypoglossal nerve
- G52.7 Disorders of multiple cranial nerves
- G52.8 Disorders of other specified cranial nerves
- G52.9 Cranial nerve disorder, unspecified

Disorders of other cranial nerves

G53

Cranial nerve disorders in diseases classified elsewhere

G54

Code hierarchy

G54 Nerve root and plexus disorders
- G54.0 Brachial plexus disorders
- G54.1 Lumbosacral plexus disorders
- G54.2 Cervical root disorders, not elsewhere classified
- G54.3 Thoracic root disorders, not elsewhere classified
- G54.4 Lumbosacral root disorders, not elsewhere classified
- G54.5 Neuralgic amyotrophy
- G54.6 Phantom limb syndrome with pain
- G54.7 Phantom limb syndrome without pain
- G54.8 Other nerve root and plexus disorders
- G54.9 Nerve root and plexus disorder, unspecified

Nerve root and plexus disorders

G55

Nerve root and plexus compressions in diseases classified elsewhere

G56

Code hierarchy

G56 Mononeuropathies of upper limb
- G56.0 Carpal tunnel syndrome
  - G56.00 Carpal tunnel syndrome, unspecified upper limb
  - G56.01 Carpal tunnel syndrome, right upper limb
  - G56.02 Carpal tunnel syndrome, left upper limb
  - G56.03 Carpal tunnel syndrome, bilateral upper limbs
- G56.1 Other lesions of median nerve
  - G56.10 Other lesions of median nerve, unspecified upper limb
  - G56.11 Other lesions of median nerve, right upper limb
  - G56.12 Other lesions of median nerve, left upper limb
  - G56.13 Other lesions of median nerve, bilateral upper limbs
- G56.2 Lesion of ulnar nerve
  - G56.20 Lesion of ulnar nerve, unspecified upper limb
  - G56.21 Lesion of ulnar nerve, right upper limb
  - G56.22 Lesion of ulnar nerve, left upper limb
  - G56.23 Lesion of ulnar nerve, bilateral upper limbs
- G56.3 Lesion of radial nerve
  - G56.30 Lesion of radial nerve, unspecified upper limb
  - G56.31 Lesion of radial nerve, right upper limb
  - G56.32 Lesion of radial nerve, left upper limb
  - G56.33 Lesion of radial nerve, bilateral upper limbs
- G56.4 Causalgia of upper limb
  - G56.40 Causalgia of unspecified upper limb
  - G56.41 Causalgia of right upper limb
  - G56.42 Causalgia of left upper limb
  - G56.43 Causalgia of bilateral upper limbs
- G56.8 Other specified mononeuropathies of upper limb
  - G56.80 Other specified mononeuropathies of unspecified upper limb
  - G56.81 Other specified mononeuropathies of right upper limb
  - G56.82 Other specified mononeuropathies of left upper limb
  - G56.83 Other specified mononeuropathies of bilateral upper limbs
- G56.9 Unspecified mononeuropathy of upper limb
  - G56.90 Unspecified mononeuropathy of unspecified upper limb
  - G56.91 Unspecified mononeuropathy of right upper limb
  - G56.92 Unspecified mononeuropathy of left upper limb
  - G56.93 Unspecified mononeuropathy of bilateral upper limbs

Mononeuropathies of upper limb

G57

Code hierarchy

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
  - G57.50 Tarsal tunnel syndrome, unspecified lower limb
  - 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
- G57.8 Other specified mononeuropathies of lower limb
  - G57.80 Other specified mononeuropathies of unspecified lower limb
  - G57.81 Other specified mononeuropathies of right lower limb
  - G57.82 Other specified mononeuropathies of left lower limb
  - G57.83 Other specified mononeuropathies of bilateral lower limbs
- G57.9 Unspecified mononeuropathy of lower limb
  - G57.90 Unspecified mononeuropathy of unspecified lower limb
  - G57.91 Unspecified mononeuropathy of right lower limb
  - G57.92 Unspecified mononeuropathy of left lower limb
  - G57.93 Unspecified mononeuropathy of bilateral lower limbs

Mononeuropathies of lower limb

G58

Code hierarchy

G58 Other mononeuropathies
- G58.0 Intercostal neuropathy
- G58.7 Mononeuritis multiplex
- G58.8 Other specified mononeuropathies
- G58.9 Mononeuropathy, unspecified

Other mononeuropathies

G59

Mononeuropathy in diseases classified elsewhere

Section G50-G59 Nerve, nerve root and plexus disorders G50-G59

Excludes-1 for G50-G59:

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