ICD-10-CM
ICD-10 code for Maffucci's syndrome: Q78.4
The ICD-10-CM index points "Maffucci's syndrome" to Q78.4, Enchondromatosis. Q78.4 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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