ICD-10 G55
Billable / SpecificNerve root and plexus compressions in diseases classified elsewhere
About ICD-10-CM G55
ICD-10-CM code G55 represents Nerve root and plexus compressions in diseases classified elsewhere. This is a billable/specific code in the Nervous System chapter (block G55). The 2026 edition of ICD-10-CM G55 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with G55. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- 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.-)
Coding Notes
Code First
- underlying disease, such as:
- neoplasm (C00-D49)
Medicare LCD Coverage for G55
Local Coverage Determinations (LCDs) from CMS MACs that list G55 as a covered diagnosis.
Showing top 10 of 647 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G55.
5 Medicare
CPT Codes Commonly Billed with G55
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 72148 MRI lumbar spine without contrast — low back pain, lumbago, lumbar radiculopathy, lumbar disc herniation, spinal stenosis, lumbar sprain, spondylosis Radiology
- 72141 MRI cervical spine without contrast — cervicalgia, cervical radiculopathy, cervical disc disorder, spinal stenosis cervical, cervical sprain, spondylosis Radiology
- 64483 Transforaminal epidural injection lumbar — low back pain, lumbosacral radiculopathy, lumbar disc herniation, nerve root compression, spinal stenosis, spondylosis Pain Management
- 62322 Interlaminar epidural injection lumbar — low back pain, radiculopathy, cervicalgia, disc herniation, spinal stenosis, spondylosis Pain Management
- 64596 CMS LCD: Billing and Coding: Peripheral Nerve Stimulation CMS LCD
- 64598 CMS LCD: Billing and Coding: Peripheral Nerve Stimulation CMS LCD
- 64570 CMS LCD: Billing and Coding: Peripheral Nerve Stimulation CMS LCD
- 64597 CMS LCD: Billing and Coding: Peripheral Nerve Stimulation CMS LCD
- 64569 CMS LCD: Billing and Coding: Peripheral Nerve Stimulation CMS LCD
- 64581 CMS LCD: Billing and Coding: Peripheral Nerve Stimulation CMS LCD
Convert G55 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| G55 | 3538 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G55
Other codes in section G50-G59 (Nerve, nerve root and plexus disorders).
ICD-10 G55, Billing FAQ
Is ICD-10 code G55 billable? +
Yes, G55 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for G55? +
Type 1 Excludes (never code together with G55): 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.-)
What CPT codes are commonly billed with G55? +
Procedures frequently paired with G55 include: 72148, 72141, 64483, 62322, 64596.
What ICD-9 codes does G55 map to? +
Per CMS GEMs, G55 maps to ICD-9 codes: 3538. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 17, 2026.
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