---
title: "ICD-10-CM D64.1: Secondary sideroblastic anemia due to… | BillingBrief"
description: "ICD-10-CM code D64.1: Secondary sideroblastic anemia due to disease. Category, related codes, and the official source, in plain English."
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language: "en"
---

# D64.1 Secondary sideroblastic anemia due to disease

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Secondary sideroblastic anemia due to disease

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   refractory anemia (D46.-)
-   refractory anemia with excess blasts in transformation \[RAEB T\] (C92.0-)

### Code first

Code the underlying condition first, then this code.

-   underlying disease

## Related codes

-   [`D64.0` Hereditary sideroblastic anemia ICD-10-CM](https://billingbrief.com/icd10/d64.0/)
-   [`D64.2` Secondary sideroblastic anemia due to drugs and toxins ICD-10-CM](https://billingbrief.com/icd10/d64.2/)
-   [`D64.3` Other sideroblastic anemias ICD-10-CM](https://billingbrief.com/icd10/d64.3/)
-   [`D64.4` Congenital dyserythropoietic anemia ICD-10-CM](https://billingbrief.com/icd10/d64.4/)
-   [`D64.81` Anemia due to antineoplastic chemotherapy ICD-10-CM](https://billingbrief.com/icd10/d64.81/)
-   [`D64.89` Other specified anemias ICD-10-CM](https://billingbrief.com/icd10/d64.89/)
-   [`D64.9` Anemia, unspecified ICD-10-CM](https://billingbrief.com/icd10/d64.9/)

## Common questions

### Is D64.1 a billable code?

Yes. D64.1 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

D64 Other anemias

Chapter

Diseases of the blood and immune mechanism

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).