G55

Billable
ChapterG00–G99
Rankcategory
Official Description

Nerve root and plexus compressions in diseases classified elsewhere

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • 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)

G50-G59 Parent Instructions

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-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • nerve root compression (due to) (in) ankylosing spondylitis (M45.-)
  • nerve root compression (due to) (in) dorsopathies (M53.-, M54.-)
  • nerve root compression (due to) (in) intervertebral disc disorders (M50.1.-, M51.1.-)
  • nerve root compression (due to) (in) spondylopathies (M46.-, M48.-)
  • nerve root compression (due to) (in) spondylosis (M47.0-, M47.2.-)
Code First
  • underlying disease, such as:
  • neoplasm (C00-D49)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G50-G59Nerve, nerve root and plexus disorders (G50-G59)
G55Nerve root and plexus compressions in diseases classified elsewhereBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G55:

blockG50-G59
Nerve, nerve root and plexus disorders (G50-G59)
View context instructions
chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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