ICD10BillableValid for clinical use
ICD-10 Code G55: Nerve root and plexus compressions in diseases classified elsewhere
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).
When is it used?
- May be used when a clinician documents nerve root and plexus compressions in diseases classified elsewhere in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G50-G59Nerve, nerve root and plexus disorders
currentG50-G59
Official coding notes
Applicable to
- underlying disease, such as:
- neoplasm (C00-D49)
Excludes1 (do not code together)
- 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)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
NeurologistGeneral Physician
Related codes
G50Disorders of trigeminal nervecategoryG51Facial nerve disorderscategoryG52Disorders of other cranial nervescategoryG53Cranial nerve disorders in diseases classified elsewherecodeG54Nerve root and plexus disorderscategoryG56Mononeuropathies of upper limbcategoryG57Mononeuropathies of lower limbcategoryG58Other mononeuropathiescategoryG59Mononeuropathy in diseases classified elsewherecode
Sibling codes
G50Disorders of trigeminal nerveG51Facial nerve disordersG52Disorders of other cranial nervesG53Cranial nerve disorders in diseases classified elsewherebillableG54Nerve root and plexus disordersG56Mononeuropathies of upper limbG57Mononeuropathies of lower limbG58Other mononeuropathiesG59Mononeuropathy in diseases classified elsewherebillable
Coverage-related procedures and services
CPT 95907high
NERVE CONDUCTION STUDIES; 1-2 STUDIES
Source: CMS coverage guidance
CPT 95912high
NERVE CONDUCTION STUDIES; 11-12 STUDIES
Source: CMS coverage guidance
CPT 95913high
NERVE CONDUCTION STUDIES; 13 OR MORE STUDIES
Source: CMS coverage guidance
CPT 95908high
NERVE CONDUCTION STUDIES; 3-4 STUDIES
Source: CMS coverage guidance
CPT 95909high
NERVE CONDUCTION STUDIES; 5-6 STUDIES
Source: CMS coverage guidance
CPT 95910high
NERVE CONDUCTION STUDIES; 7-8 STUDIES
Source: CMS coverage guidance
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
G55
Common synonyms
Nerve root and plexus compressions in diseases classified elsewhere
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.