M34.1: CR(E)ST syndrome
M34.1 is a billable, specific ICD-10-CM code for cr(e)st syndrome. It is valid for submission on a claim.
Check M34.1 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Combination of calcinosis, Raynaud's phenomenon, esophageal dysfunction, sclerodactyly, telangiectasia
Other codes that can never be billed with M34.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- L93Lupus erythematosus
Risk adjustment
M34.1 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 93 Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders0.617 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
M34.1 is named in 15 Medicare coverage policies: 8 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
Alphabetic index entries that lead here
- CREST syndrome
- CRST syndrome
- Calcinosis›with Raynaud's phenomenon, esophageal dysfunction, sclerodactyly, telangiectasia(CREST syndrome)
Code history
Unchanged in every release from FY2024 to FY2027.