E80.21: Acute intermittent (hepatic) porphyria
E80.21 is the billable ICD-10-CM diagnosis code for Acute intermittent (hepatic) porphyria. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code E80.21?
E80.21 is the ICD-10-CM diagnosis code for Acute intermittent (hepatic) porphyria. It belongs to category E80 (Disorders of porphyrin and bilirubin metabolism).
Is E80.21 a billable code?
Yes. E80.21 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does E80.21 belong to?
E80.21 is part of ICD-10-CM category E80 — Disorders of porphyrin and bilirubin metabolism, which has 20 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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