D75.84

Other platelet-activating anti-PF4 disorders

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC112

Immune Thrombocytopenia and Specified Coagulation Defects and Hemorrhagic Conditions

CMS-HCC ESRD V24

HCC48

Coagulation Defects and Other Specified Hematological Disorders

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · D75.84
Use additional

code, if applicable, for adverse effect of other viral vaccine (T50.B95-)

Synonyms

Spontaneous heparin-induced thrombocytopenia syndrome (without heparin exposure) Thrombosis with thrombocytopenia syndrome Vaccine-induced thrombotic thrombocytopenia

Inherited from D75Other and unsp diseases of blood and blood-forming organs
Excludes 2

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)

Inherited from chapter 3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Excludes 2

autoimmune disease (systemic) NOS (M35.9) certain conditions originating in the perinatal period (P00-P96) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) human immunodeficiency virus [HIV] disease (B20) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for D75.84

FY 2026 ›