G61.81 is the authoritative medical code for Chronic inflammatory demyelinating polyneuritis. This classification is used in medical billing and clinical recording to specify the clinical criteria for chronic inflammatory demyelinating polyneuritis (ICD-10-CM G61.81), 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
Chronic inflammatory demyelinating polyneuritis is a billable ICD-10-CM diagnosis code G61.81. Excludes1 (not coded here): neuralgia NOS M79.2; neuritis NOS M79.2; peripheral neuritis in pregnancy O26.82-; radiculitis NOS M54.10.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G61.81 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.
- neuralgia NOS M79.2
- neuritis NOS M79.2
- peripheral neuritis in pregnancy O26.82-
- radiculitis NOS M54.10
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G61.81?
Per official ICD-10-CM Excludes1 instructions, G61.81 must not be reported together with: neuralgia NOS (M79.2); neuritis NOS (M79.2); peripheral neuritis in pregnancy (O26.82-); radiculitis NOS (M54.10).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G61.81 in its code family, with their registry titles.
- G61 — Inflammatory polyneuropathy
- G61.0 — Guillain-Barre syndrome
- G61.1 — Serum neuropathy
- G61.8 — Other inflammatory polyneuropathies
- G61.82 — Multifocal motor neuropathy
- G61.89 — Other inflammatory polyneuropathies
- G61.9 — Inflammatory polyneuropathy, unspecified
Indexed Clinical Terms (5)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- CIDP (chronic inflammatory demyelinating polyneuropathy )
- Polyneuritis, polyneuritic, demyelinating, chronic inflammatory (CIDP)
- Polyneuritis, polyneuritic, inflammatory, chronic demyelinating (CIDP)
- Polyneuropathy (peripheral), demyelinating, chronic inflammatory (CIDP)
- Polyneuropathy (peripheral), inflammatory, chronic demyelinating (CIDP)