M79.81 – Nontraumatic hematoma of soft tissue

ICD-10-CM 2027 diagnosis code · Other soft tissue disorders

Billable code

ICD-10-CM code M79.81
Code
M79.81 (claims format: M7981)
Description
Nontraumatic hematoma of soft tissue
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 › M79.8

Notes for M79.81

Applicable to:
  • Nontraumatic hematoma of muscle
  • Nontraumatic seroma of muscle and soft tissue

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

Excludes1 (not coded here):
  • psychogenic rheumatism (F45.8)
  • soft tissue pain, psychogenic (F45.41)

Index terms for M79.81

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

Related codes in M79.8

Frequently asked questions

What is ICD-10 code M79.81?

M79.81 is the ICD-10-CM code for nontraumatic hematoma of soft tissue, in the block M70-M79 (Other soft tissue disorders).

Is M79.81 a billable code?

Yes. M79.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M79.81 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.