D75.821

D75.821: Non-immune heparin-induced thrombocytopenia

Billable / specific codeICD-10-CM

D75.821 is a billable, specific ICD-10-CM code for non-immune heparin-induced thrombocytopenia. It is valid for submission on a claim.

Check D75.821 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Non-immune HIT
Type 1 heparin-induced thrombocytopenia

Excludes2 inherited from the categories above D75.821

Not part of this code, but both may be coded when both are present.

Written on D75: Other and unspecified diseases of blood and blood-forming organs

acute lymphadenitis (L04.-)
chronic lymphadenitis (I88.1)
enlarged lymph nodes (R59.-)
hypergammaglobulinemia NOS (D89.2)
lymphadenitis NOS (I88.9)
mesenteric lymphadenitis (acute) (chronic) (I88.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

D75.821 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56464Billing and Coding: Flow Cytometry
A56795Billing and Coding: Erythropoiesis Stimulating Agents (ESAs)
A57594Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies
A57873Billing and Coding: MolDX: Next-Generation Sequencing Lab-Developed Tests for Myeloid Malignancies and Suspected Myeloid Malignancies

Alphabetic index entries that lead here

Thrombocytopenia, thrombocytopenic›heparin-associated
Thrombocytopenia, thrombocytopenic›heparin induced›non-immune
Thrombocytopenia, thrombocytopenic›heparin induced›type 1

Code history

Unchanged in every release from FY2024 to FY2027.