M61.42 – Other calcification of muscle, upper arm

ICD-10-CM 2027 diagnosis code · Disorders of muscles

Non-billable header

ICD-10-CM code M61.42
Code
M61.42 (claims format: M6142)
Description
Other calcification of muscle, upper arm
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block
M60-M63 Disorders of muscles
Parent codes
M61 › M61.4

Billable codes under M61.42

M61.42 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M61.4 – Other calcification of muscle

Excludes1 (not coded here):
  • calcific tendinitis NOS (M65.2-)
  • calcific tendinitis of shoulder (M75.3)

Block M60-M63

Excludes1 (not coded here):
  • dermatopolymyositis (M33.-)
  • myopathy in amyloidosis (E85.-)
  • myopathy in polyarteritis nodosa (M30.0)
  • myopathy in rheumatoid arthritis (M05.32)
  • myopathy in scleroderma (M34.-)
  • myopathy in Sjögren's syndrome (M35.03)
  • myopathy in systemic lupus erythematosus (M32.-)
Excludes2 (not included here):
  • muscular dystrophies and myopathies (G71-G72)

Index terms for M61.42

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in M61.4

Frequently asked questions

What is ICD-10 code M61.42?

M61.42 is the ICD-10-CM code for other calcification of muscle, upper arm, in the block M60-M63 (Disorders of muscles).

Is M61.42 a billable code?

No. M61.42 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M61.42 belong to?

It belongs to category M61 – Calcification and ossification of muscle.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.