D69.42 – Congenital and hereditary thrombocytopenia purpura

ICD-10-CM 2027 diagnosis code · Coagulation defects, purpura and other hemorrhagic conditions

Billable code

ICD-10-CM code D69.42

Code: D69.42 (claims format: D6942)
Description: Congenital and hereditary thrombocytopenia purpura
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block: D65-D69 Coagulation defects, purpura and other hemorrhagic conditions
Parent codes: D69 › D69.4

Notes for D69.42

Applicable to:

Congenital thrombocytopenia
Hereditary thrombocytopenia

Code first:

congential or hereditary disorder, such as:
thrombocytopenia with absent radius (TAR syndrome) (Q87.2)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

D69 – Purpura and other hemorrhagic conditions

Excludes1 (not coded here):

benign hypergammaglobulinemic purpura (D89.0)
cryoglobulinemic purpura (D89.1)
essential (hemorrhagic) thrombocythemia (D47.3)
hemorrhagic thrombocythemia (D47.3)
purpura fulminans (D65)
thrombotic thrombocytopenic purpura (M31.19)
Waldenström hypergammaglobulinemic purpura (D89.0)

D69.4 – Other primary thrombocytopenia

Excludes1 (not coded here):

transient neonatal thrombocytopenia (P61.0)
Wiskott-Aldrich syndrome (D82.0)

Index terms for D69.42

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in D69.4

D69.41 – Evans syndromeBillable
D69.49 – Other primary thrombocytopeniaBillable

Frequently asked questions

What is ICD-10 code D69.42?

D69.42 is the ICD-10-CM code for congenital and hereditary thrombocytopenia purpura, in the block D65-D69 (Coagulation defects, purpura and other hemorrhagic conditions).

Is D69.42 a billable code?

Yes. D69.42 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D69.42 belong to?

It belongs to category D69 – Purpura and other hemorrhagic conditions.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.