D69.42 — Congenital and hereditary thrombocytopenia purpura
Is D69.42 billable?
Yes — D69.42 is billable for FY2027. D69.42 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D69.42 may be submitted for encounters from October 1, 2026 through September 30, 2027.
D69.42 at a glance
| Code | D69.42 |
|---|---|
| Description | Congenital and hereditary thrombocytopenia purpura |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does D69.42 group to?
D69.42 sits in MDC 16 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
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As a secondary diagnosis, D69.42 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is D69.42 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to D69.42. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Thrombocytopenia, thrombocytopenic › congenital
- Thrombocytopenia, thrombocytopenic › hereditary
- Purpura › thrombocytopenic › congenital
- Purpura › thrombocytopenic › hereditary
Code first
The underlying condition below must be sequenced before D69.42. D69.42 describes a manifestation and cannot be the principal or first-listed diagnosis.
- congential or hereditary disorder, such as:
- thrombocytopenia with absent radius (TAR syndrome) (Q87.2)
Inclusion terms
Alternative wording in documentation that is classified to D69.42.
- Congenital thrombocytopenia
- Hereditary thrombocytopenia
Excludes1 — never code together — inherited from D69
The conditions below can never be reported together with D69.42 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from D69.4
The conditions below can never be reported together with D69.42 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 3
The conditions below are not part of D69.42, but a patient may have both at the same time. When documentation supports it, D69.42 and the excluded code may both be reported.
- autoimmune disease (systemic) NOS (M35.9)
- certain conditions originating in the perinatal period (P00-P96)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- human immunodeficiency virus [HIV] disease (B20)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
How long has D69.42 existed?
D69.42 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.