AHA Coding Clinic® for ICD-9 - 2010 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Post Transfusion Purpura (PTP)
Effective October 1, 2010, code 287.4, Secondary thrombocytopenia, has been expanded to create a unique code (287.41) to describe post transfusion purpura (PTP). Post transfusion purpura (PTP), an uncommon potentially fatal complication, develops within 5 to 10 days following transfusion of blood products and is characterized by the rapid onset of severe thrombocytopenia. The body creates alloantibodies in response to the platelets’ antigens present in transfused blood. PTP is caused by antibody mediated destruction of both donor platelets as well as the patient’s own platelets and symptoms can include profound thrombocytopenia, purpura...
Subscribe or sign in to view the full article.
Article Overview
This article covers a diagnosis coding update related to post transfusion purpura and the surrounding ICD-9-CM thrombocytopenia category. It is relevant to coders, billers, and clinical documentation teams who need to understand how the condition is represented in the code set and how the update fits into the 2010 code revision effective date. The article also discusses the condition at a high level, including its timing, clinical significance, and general treatment approaches.
Why This Topic Matters
Accurate identification of this condition affects diagnosis coding specificity and helps reflect the intended classification change introduced in the ICD-9-CM update.
Article Sections
-
Effective Date and Code Update
Introduces the coding change and its effective date within the ICD-9-CM system. It places the topic in the context of a revision to the secondary thrombocytopenia category.
-
Clinical Overview of Post Transfusion Purpura
Summarizes the condition’s general presentation, timing after transfusion, and broad clinical significance. It also notes general treatment approaches and the patient population in which the condition is commonly seen.
-
ICD-9-CM Category Revision
Outlines the affected ICD-9-CM category and the addition of a distinct diagnosis code within that section of the code set. It also reflects the related reorganization of other secondary thrombocytopenia entries.
What You Will Learn
- How this diagnosis topic is positioned within an ICD-9-CM code update
- Which broader thrombocytopenia category the article discusses
- What general clinical features and treatment approaches are associated with the condition
- Why the coding revision matters for diagnosis specificity
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Clinical documentation improvement teams
- Healthcare providers involved in documentation
Codes Discussed
Subscribe or sign in to view the full article.
Quick, Current, Complete - www.findacode.com