G54.0
Brachial plexus disorders
G54.0 (also written G540) is a billable ICD-10-CM diagnosis code for brachial plexus disorders. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 10 codes in category G54 (Nerve root and plexus disorders). The Alphabetic Index lists it under 34 entries. Its coding notes include 15 Excludes1 entries and 8 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- current traumatic nerve root and plexus disorders - see nerve injury by body region
- intervertebral disc disorders (M50-M51)
- neuralgia or neuritis NOS (M79.2)
- neuritis or radiculitis brachial NOS (M54.13)
- neuritis or radiculitis lumbar NOS (M54.16)
- neuritis or radiculitis lumbosacral NOS (M54.17)
- neuritis or radiculitis thoracic NOS (M54.14)
- radiculitis NOS (M54.10)
- radiculopathy NOS (M54.10)
- spondylosis (M47.-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the Neuro Rehabilitation clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Inclusion terms
Conditions classified to this code.
- Thoracic outlet syndrome
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 34 entries
- Angiospasm (peripheral) (traumatic) (vessel), brachial plexus
- Angiospasm (peripheral) (traumatic) (vessel), nerve, arm, axillary
- Angiospasm (peripheral) (traumatic) (vessel), nerve, axillary
- Compression, brachial plexus
- Compression, nerve, axillary
- Degeneration, degenerative, brachial plexus
- Disorder (of), brachial plexus
- Disorder (of), nerve, axillary
- Irritation, axillary nerve
- Irritation, brachial plexus
- Lesion (s) (nontraumatic), brachial plexus
- Naffziger's syndrome
Show 22 more
- Neuropathy, neuropathic, brachial plexus
- Palsy, brachial plexus NEC
- Paralysis, paralytic (complete) (incomplete), axillary
- Paralysis, paralytic (complete) (incomplete), brachial plexus
- Plexitis, brachial
- Pressure, brachial plexus
- Scalenus anticus (anterior) syndrome
- Syndrome, brachial plexus
- Syndrome, cervicothoracic outlet
- Syndrome, costoclavicular
- Syndrome, hyperabduction
- Syndrome, middle radicular
- Syndrome, Naffziger's
- Syndrome, outlet (thoracic)
- Syndrome, scalenus anticus (anterior)
- Syndrome, subcoracoid-pectoralis minor
- Syndrome, thoracic outlet (compression)
- Syndrome, thoracic outlet (compression), neurogenic
- Syndrome, Wright's (hyperabduction)
- Thoracic, outlet syndrome
- Vasospasm (vasoconstriction), nerve, brachial plexus
- Wright's syndrome