D69.42
Billable codeCongenital and hereditary thrombocytopenia purpura
The ICD-10 code for congenital and hereditary thrombocytopenia purpura is D69.42.
Clinical notes
Code first
This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.
- congential or hereditary disorder, such as:
- thrombocytopenia with absent radius (TAR syndrome) (Q87.2)
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Congenital thrombocytopenia
- Hereditary thrombocytopenia
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D69.41Evans syndrome
- D69.49Other primary thrombocytopenia
- D69.42Congenital and hereditary thrombocytopenia purpura
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 28733
Associated MS-DRGs
D69.42 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.