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G61 vs O26.82

G61 (Inflammatory polyneuropathy) compared with O26.82 (Pregnancy related peripheral neuritis), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. G61 carries an Excludes1 note covering O26.82: “peripheral neuritis in pregnancy (O26.82-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

G61Inflammatory polyneuropathyO26.82Pregnancy related peripheral neuritis
Billing statusNon-billable header

Report instead: G61.0, G61.1, G61.81, G61.82, G61.89

Non-billable header

Report instead: O26.821, O26.822, O26.823, O26.829

ClassificationG00-G99 — Diseases of the Nervous System (G00-G99)O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)
DefinitionInflammatory polyneuropathy is a non-billable ICD-10-CM category code (G61).Pregnancy related peripheral neuritis is a non-billable ICD-10-CM category code (O26.82).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources