All ICD10 Codes

G50-G59

Non-Billable
ChapterG00–G99
Rankblock
Official Description

Nerve, nerve root and plexus disorders (G50-G59)

Use a more specific code (3 billable, 7 non-billable)
G50Disorders of trigeminal nervehas subcodesG51Facial nerve disordershas subcodesG52Disorders of other cranial nerveshas subcodesG53Cranial nerve disorders in diseases classified elsewhereG54Nerve root and plexus disordershas subcodesG55Nerve root and plexus compressions in diseases classified elsewhereG56Mononeuropathies of upper limbhas subcodesG57Mononeuropathies of lower limbhas subcodesG58Other mononeuropathieshas subcodesG59Mononeuropathy in diseases classified elsewhere
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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-)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G50-G59Nerve, nerve root and plexus disorders (G50-G59)Not billable
G50Disorders of trigeminal nerveSubcodes
G51Facial nerve disordersSubcodes
G52Disorders of other cranial nervesSubcodes
G53Cranial nerve disorders in diseases classified elsewhereBillable
G54Nerve root and plexus disordersSubcodes
G55Nerve root and plexus compressions in diseases classified elsewhereBillable
G56Mononeuropathies of upper limbSubcodes
G57Mononeuropathies of lower limbSubcodes
G58Other mononeuropathiesSubcodes
G59Mononeuropathy in diseases classified elsewhereBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G50-G59:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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