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Home/Diagnosis/ICD-10 Coding for Myelodysplastic Syndromes

ICD-10 Coding for Myelodysplastic Syndromes

D46.9
D46.1
D46.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for myelodysplastic syndromes includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
MDS
Preleukemia
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Key Information: ICD-10 Coding for Myelodysplastic Syndromes

Essential facts and insights about ICD-10 Coding for Myelodysplastic Syndromes

Use ICD-10 code D46.9 for myelodysplastic syndrome, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Myelodysplastic syndrome, unspecified

Billable Code
D46.9
Billable

Diagnostic Criteria

clinical:
  • • Diagnosis of MDS without specific subtype characterization
coding:
  • • No specific genetic or cytogenetic testing results available

Applicable To

  • • Myelodysplastic syndrome NOS

Important Notes

  • • Ensure documentation supports the use of an unspecified code by confirming the absence of specific subtype details.

Refractory anemia with ring sideroblasts

Billable Code
D46.1
Billable

Diagnostic Criteria

clinical:
  • • Bone marrow report showing ≥15% ring sideroblasts
  • • Anemia unresponsive to therapy

Applicable To

  • • Refractory anemia with ringed sideroblasts

Important Notes

  • • Ensure documentation includes bone marrow biopsy results confirming ring sideroblasts.

Refractory anemia with excess blasts

Non-Billable
D46.2
Non-Billable

Diagnostic Criteria

clinical:
  • • Blast percentage (5-9% for RAEB-1; 10-19% for RAEB-2) in bone marrow

Applicable To

  • • Refractory anemia with excess blasts (RAEB-1/RAEB-2)

Important Notes

  • • Ensure blast percentage is clearly documented in the medical record.
Ancillary Codes

Additional codes that may be used with this diagnosis

D75.8

Other specified diseases of blood and blood-forming organs

Use for chronic anemia associated with MDS if it impacts care.

R31.29

Other chronic pancytopenia

Use for transfusion-dependent cases.

Z85.6

Personal history of leukemia

Use if MDS transforms to AML.

Frequently Asked Questions

What is the ICD-10 code for myelodysplastic syndrome?

The ICD-10 code for unspecified myelodysplastic syndrome is D46.9. Specific subtypes have their own codes, such as D46.1 for refractory anemia with ring sideroblasts.

How do you code myelodysplastic syndrome with excess blasts?

Code D46.2 is used for refractory anemia with excess blasts, with specific criteria for blast percentage in bone marrow.

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