ICD-10-CM 2027
ICD-10 code for PTP
From the official ICD-10-CM alphabetic index entry “PTP”. Page updated September 29, 2026.
About coding PTP
The ICD-10-CM code for PTP is D69.51 (Posttransfusion purpura).
Within D69.5 (secondary thrombocytopenia), D69.51 is specifically for Posttransfusion purpura. Related codes cover other secondary thrombocytopenia (D69.59).
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 PTP ICD-10 codes
What is the ICD-10 code for PTP?
- D69.51 — Posttransfusion purpura.
Is D69.51 billable?
- Yes. D69.51 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can D69.51 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict D69.51 as a principal diagnosis.
Is D69.51 a CC or MCC?
- No. D69.51 is neither a CC nor an MCC under MS-DRG v44.0.