G54.3 is the authoritative medical code for Thoracic root disorders, not elsewhere classified. This classification is used in medical billing and clinical recording to specify the clinical criteria for thoracic root disorders, not elsewhere classified (ICD-10-CM G54.3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Thoracic root disorders, not elsewhere classified is a billable ICD-10-CM diagnosis code G54.3. Excludes1 (not coded here): 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.-; 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-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G54.3 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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.-
- 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-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G54.3?
Per official ICD-10-CM Excludes1 instructions, G54.3 must not be reported together with: 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).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G54.3 in its code family, with their registry titles.
- G54 — Nerve root and plexus disorders
- G54.0 — Brachial plexus disorders
- G54.1 — Lumbosacral plexus disorders
- G54.2 — Cervical root disorders, not elsewhere classified
- G54.4 — Lumbosacral root disorders, not elsewhere classified
- G54.5 — Neuralgic amyotrophy
- G54.6 — Phantom limb syndrome with pain
- G54.7 — Phantom limb syndrome without pain
- G54.8 — Other nerve root and plexus disorders
- G54.9 — Nerve root and plexus disorder, unspecified
Indexed Clinical Terms (3)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Disorder (of), nerve, root, thoracic
- Disorder (of), thoracic root NEC (nerve)
- Lesion (s) (nontraumatic), thoracic root NEC (nerve)