D74.9
D74.9: Methemoglobinemia, unspecified
Billable / specific codeICD-10-CM
D74.9 is a billable, specific ICD-10-CM code for methemoglobinemia, unspecified. It is valid for submission on a claim.
Check D74.9 with the rest of the claim: free scrubberOther codes that can never be billed with D74.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
- D58.2Other hemoglobinopathies
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
D74.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56767Billing and Coding: Heavy Metal Testing
Alphabetic index entries that lead here
- Methemoglobinemia
Code history
Unchanged in every release from FY2024 to FY2027.