D75.821 Non-immune heparin-induced thrombocytopenia

Billable ICD-10-CM code, FY2026.

Applicable to

• Non-immune HIT
• Type 1 heparin-induced thrombocytopenia

Applies from D75 Other and unspecified diseases of blood and blood-forming organs

Excludes2 (not included here)

• 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)

Applies from D75.82 Heparin induced thrombocytopenia (HIT)

Use additional code

• code, if applicable, for adverse effect of heparin (T45.515-)

Risk adjustment (HCC)

• CMS-HCC V22: HCC 48 — Coagulation Defects and Other Specified Hematological Disorders
• ESRD V24: HCC 48

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Code annotations containing back-references to D75.821

Back-references to D75.82

• Type 1 Excludes: D68.6 Other thrombophilia ("heparin induced thrombocytopenia (HIT) (D75.82-)")
• Type 1 Excludes: D69.5 Secondary thrombocytopenia ("heparin induced thrombocytopenia (HIT) (D75.82-)")

Diagnosis Index entries for D75.821

• Thrombocytopenia, thrombocytopenic › heparin-associated
• Thrombocytopenia, thrombocytopenic › heparin induced (HIT) › non-immune
• Thrombocytopenia, thrombocytopenic › heparin induced (HIT) › type 1

Nearby codes

• D75.0 Familial erythrocytosis
• D75.1 Secondary polycythemia
• D75.8 Other specified diseases of blood and blood-forming organs
• D75.81 Myelofibrosis
• D75.82 Heparin induced thrombocytopenia (HIT)
• D75.821 Non-immune heparin-induced thrombocytopenia (this code)
• D75.822 Immune-mediated heparin-induced thrombocytopenia
• D75.828 Other heparin-induced thrombocytopenia syndrome
• D75.829 Heparin-induced thrombocytopenia, unspecified
• D75.83 Thrombocytosis
• D75.838 Other thrombocytosis