G54.9
BillableNerve root and plexus disorder, unspecified
Nerve root and plexus disorder, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- •neuralgia NOSM79.2
- •neuritis NOSM79.2
- •peripheral neuritis in pregnancyO26.82
- •radiculitis NOSM54.1
- current traumatic nerve root and plexus disorders - see nerve injury by body region
- •intervertebral disc disordersM50-M51
- •neuralgia or neuritis NOSM79.2
- •neuritis or radiculitis brachial NOSM54.13
- •neuritis or radiculitis lumbar NOSM54.16
- •neuritis or radiculitis lumbosacral NOSM54.17
- •neuritis or radiculitis thoracic NOSM54.14
- •radiculitis NOSM54.10
- •radiculopathy NOSM54.10
- •spondylosisM47
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Codes(9)
G54.0Brachial plexus disorders
G54.1Lumbosacral plexus disorders
G54.2Cervical root disorders, not elsewhere classified
G54.3Thoracic root disorders, not elsewhere classified
G54.4Lumbosacral root disorders, not elsewhere classified
G54.5Neuralgic amyotrophy
G54.6Phantom limb syndrome with pain
G54.7Phantom limb syndrome without pain
G54.8Other nerve root and plexus disorders
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(30)
SNOMED CT
- Nerve plexus disorder2231001
- Nerve root disorder72274001
- Radiculopathy72274001
- Compression of spinal nerve root111236008
- Disorders of spinal neurones manifest by hyperactivity230651008
- Nerve root compression syndrome243338005
- Neuropathy caused by ionising radiation445339002
- Neuropathy caused by ionizing radiation445339002
- Lesion of nerve root and/or plexus609611008
- Disorder of nerve root and/or plexus609612001
- Disorder of nerve plexus due to and following radiation therapy1230019002
- Radiation-induced plexopathy1230019002
- Disorder of peripheral nerve caused by ionising radiation1339021004
- Disorder of peripheral nerve caused by ionizing radiation1339021004
Clinical Terms
- Disorder of peripheral nerve caused by ionizing radiation
- Disorder of nerve root and/or plexus
- Neuropathy caused by ionising radiation
- Disorder of nerve plexus due to and following radiation therapy
- Nerve root compression syndrome
- Disorder of peripheral nerve caused by ionising radiation
- Lesion of nerve root and/or plexus
- Disorders of spinal neurones manifest by hyperactivity
- Radiation-induced plexopathy
- Neuropathy caused by ionizing radiation
- Radiculopathy
- Nerve root disorder
- Nerve plexus disorder
- Compression of spinal nerve root
Frequently Asked Questions
What is the ICD-10 code for nerve root and plexus disorder, unspecified?
The ICD-10-CM code for nerve root and plexus disorder, unspecified is G54.9. The full clinical description is "Nerve root and plexus disorder, unspecified". G54.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G54.9 mean?
ICD-10-CM code G54.9 represents “Nerve root and plexus disorder, unspecified”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G54.9 a billable code?
Yes, G54.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G54.9 in?
G54.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G54.9?
G54.9 has Excludes1 notes indicating codes that cannot be used together with it, including: current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region; neuralgia NOS (M79.2); neuritis NOS (M79.2); and 12 more.
What SNOMED CT codes does G54.9 map to?
G54.9 maps to 10 SNOMED CT concepts: 111236008, 1230019002, 609612001, 1339021004, 230651008, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G54.9?
G54.9 is linked to 1 UMLS Concept Unique Identifier: C0270890. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G54.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like nerve root and plexus disorder, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G54.9?
G54.9 maps to the ICD-11 code: 8B9Z (Nerve root or plexus disorders, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.