D47.1 vs D75.81
D47.1 (Chronic myeloproliferative disease) compared with D75.81 (Myelofibrosis), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. D47.1 carries an Excludes1 note covering D75.81: “myelofibrosis NOS (D75.81)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. D47.1 carries an Excludes1 note covering D75.81: “secondary myelofibrosis NOS (D75.81)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. D75.81 carries an Excludes1 note covering D47.1: “idiopathic myelofibrosis (D47.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. D75.81 carries an Excludes1 note covering D47.1: “primary myelofibrosis (D47.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| D47.1Chronic myeloproliferative disease | D75.81Myelofibrosis | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) |
| Definition | Chronic myeloproliferative disease is a billable ICD-10-CM diagnosis code (D47.1). | Myelofibrosis is a billable ICD-10-CM diagnosis code (D75.81). |
| Includes | Chronic neutrophilic leukemia Myeloproliferative disease, unspecified | Myelofibrosis NOS Secondary myelofibrosis NOS |
| Use additional code | — | code, if applicable, for associated therapy-related myelodysplastic syndrome (D46.-) code for adverse effect, if applicable, to identify drug (T45.1X5) |
| Code first | — | the underlying disorder, such as: malignant neoplasm of breast (C50.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources