M79.603 – Pain in arm, unspecified
ICD-10-CM 2027 diagnosis code · Other soft tissue disorders
ICD-10-CM code
M79.603
- Code
M79.603(claims format:M79603)- Description
- Pain in arm, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- M70-M79 Other soft tissue disorders
- Parent codes
- M79 › M79.6 › M79.60
Notes for M79.603
Applicable to:
- Pain in upper limb NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M79 – Other and unspecified soft tissue disorders, not elsewhere classified
M79.6 – Pain in limb, hand, foot, fingers and toes
Excludes2 (not included here):
- pain in joint (M25.5-)
Related codes in M79.60
- M79.601 – Pain in right armBillable
- M79.602 – Pain in left armBillable
- M79.604 – Pain in right legBillable
- M79.605 – Pain in left legBillable
- M79.606 – Pain in leg, unspecifiedBillable
- M79.609 – Pain in unspecified limbBillable
Frequently asked questions
What is ICD-10 code M79.603?
M79.603 is the ICD-10-CM code for pain in arm, unspecified, in the block M70-M79 (Other soft tissue disorders).
Is M79.603 a billable code?
Yes. M79.603 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M79.603 belong to?
It belongs to category M79 – Other and unspecified soft tissue disorders, not elsewhere classified.
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.