ICD-10-CM 2027
ICD-10 code for secondary thrombocytopenia
From the official ICD-10-CM alphabetic index entry “Thrombocytopenia, thrombocytopenic › secondary”. Page updated September 29, 2026.
About coding secondary thrombocytopenia
The ICD-10-CM code for secondary thrombocytopenia is D69.59 (Other secondary thrombocytopenia).
Within D69.5, choose D69.59 (Other secondary thrombocytopenia) only when documentation doesn't support a more specific option: Posttransfusion purpura (D69.51).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 791 (Prematurity with Major Problems, relative weight 4.1075), DRG 793 (Full Term Neonate with Major Problems, relative weight 4.2195) and DRG 813 (Coagulation Disorders, relative weight 1.5257), in MDC 15 (Newborns and Other Neonates with Conditions Originating in the Perinatal Period) and MDC 16 (Diseases and Disorders of the Blood and Blood Forming Organs and Immunological Disorders), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about secondary thrombocytopenia ICD-10 codes
What is the ICD-10 code for secondary thrombocytopenia?
- D69.59 — Other secondary thrombocytopenia.
Is D69.59 billable?
- Yes. D69.59 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can D69.59 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict D69.59 as a principal diagnosis.
Is D69.59 a CC or MCC?
- No. D69.59 is neither a CC nor an MCC under MS-DRG v44.0.