2026 ICD-10-CM Diagnosis Code D69.51Posttransfusion purpura

ICD-10-CM Codes›D50–D89›D65-D69›D69

ICD-10-CM D69.51
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D69.51 is a billable ICD-10-CM diagnosis code for posttransfusion purpura. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Coagulation and hemorrhagic disorders.

Code Identity

ICD-10-CM Code
D69.51
Billable Status
Yes — Valid for Submission
Code Describes
Posttransfusion purpura
Short Description
Posttransfusion purpura
Same as the full description in the CMS dataset.
Parent Code
D69.5
Secondary thrombocytopenia

Code Classification

ChapterD50–D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
SectionD65-D69Coagulation defects, purpura and other hemorrhagic conditions
CategoryD69Purpura and other hemorrhagic conditions
This CodeD69.51Posttransfusion purpura

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Posttransfusion purpura

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Posttransfusion purpura from whole blood (fresh) or blood products
  • PTP

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

  • - PTP - D69.51

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • PTP
    • Purpura
      • posttransfusion (post-transfusion) (from (fresh) whole blood or blood products)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR BLD006
Coagulation and hemorrhagic disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Platelet Disorders

Platelets, also known as thrombocytes, are blood cells. They form in your bone marrow, a sponge-like tissue in your bones. Platelets play a major role in blood clotting. Normally, when one of your blood vessels is injured, you start to bleed.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert D69.51 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
287.41 Posttransfusion purpura
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About D69.51Overview

Is D69.51 (Secondary thrombocytopenia) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report posttransfusion purpura on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of D69.51?

Under the General Equivalence Mappings, posttransfusion purpura converts to ICD-9-CM 287.41 (posttransfusion purpura). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.