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restless legs syndrome (G25.81)
- G47.61 Periodic limb movement disorder
- G47.62 Sleep related leg cramps
- G47.63 Sleep related bruxism
- Excludes1: psychogenic bruxism (F45.8)
- G47.69 Other sleep related movement disorders
- G47.8 Other sleep disorders
- G47.9 Sleep disorder, unspecified
- Sleep disorder NOS
Nerve, nerve root and plexus disorders (G50-G59)
- Excludes1: 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-)
G50 Disorders of trigeminal nerve
- Includes disorders of 5th cranial nerve
- G50.0 Trigeminal neuralgia
- Syndrome of paroxysmal facial pain
- Tic douloureux
- G50.1 Atypical facial pain
- G50.8 Other disorders of trigeminal nerve
- G50.9 Disorder of trigeminal nerve, unspecified
G51 Facial nerve disorders
- Includes disorders of 7th cranial nerve
- G51.0 Bell's palsy
- Facial palsy
- G51.1 Geniculate ganglionitis
- Excludes1: postherpetic geniculate ganglionitis (B02.21)
- G51.2 Melkersson's syndrome
- Melkersson-Rosenthal syndrome
- G51.3 Clonic hemifacial spasm
- G51.4 Facial myokymia
- G51.8 Other disorders of facial nerve
- G51.9 Disorder of facial nerve, unspecified
G52 Disorders of other cranial nerves
- Excludes2: disorders of acoustic [8th] nerve (H93.3)
- disorders of optic [2nd] nerve (H46, H47.0)
- paralytic strabismus due to nerve palsy (H49.0-H49.2)
- G52.0 Disorders of olfactory nerve
- Disorders
