Is M21.921 a billable code?
Yes. M21.921 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
M21.921: Unspecified acquired deformity of right upper arm
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
M21.921 is a billable ICD-10-CM diagnosis code for unspecified acquired deformity of right upper arm. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with M21.921 already added.Good Faith EstimateStart a cost estimate with M21.921 already added.CMS-1500 Claim FormFill a claim form with M21.921 in box 21.
Other codes in M21.92 Unspecified acquired deformity of upper arm
M21.921 questions
What does M21.921 mean?
M21.921 is the ICD-10-CM code for Unspecified acquired deformity of right upper arm. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.