D75.839 — Thrombocytosis, unspecified
Is D75.839 billable?
Yes, but D75.839 is an unspecified code. D75.839 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, D75.839 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting D75.839 — the more specific alternatives are listed below.
More specific alternatives
D75.839 at a glance
| Code | D75.839 |
|---|---|
| Description | Thrombocytosis, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does D75.839 group to?
D75.839 sits in MDC 16 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 814Reticuloendothelial and Immunity Disorders with MCCmedical
- 815Reticuloendothelial and Immunity Disorders with CCmedical
- 816Reticuloendothelial and Immunity Disorders without CC/MCCmedical
How is D75.839 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to D75.839. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Thrombocythemia (hemorrhagic)
- Thrombocytosis
Inclusion terms
Alternative wording in documentation that is classified to D75.839.
- Thrombocythemia NOS
- Thrombocytosis NOS
Excludes2 — not included here — inherited from Chapter 3
The conditions below are not part of D75.839, but a patient may have both at the same time. When documentation supports it, D75.839 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)
Excludes2 — not included here — inherited from D75
The conditions below are not part of D75.839, but a patient may have both at the same time. When documentation supports it, D75.839 and the excluded code may both be reported.
Excludes2 — not included here — inherited from D75.83
The conditions below are not part of D75.839, but a patient may have both at the same time. When documentation supports it, D75.839 and the excluded code may both be reported.
- essential thrombocythemia (D47.3)
How long has D75.839 existed?
D75.839 first appears in FY2022.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.