M89.76 – Major osseous defect, lower leg

ICD-10-CM 2027 diagnosis code · Other osteopathies

Non-billable header

ICD-10-CM code M89.76
Code
M89.76 (claims format: M8976)
Description
Major osseous defect, lower leg
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
M86-M90 Other osteopathies
Parent codes
M89 › M89.7

Billable codes under M89.76

M89.76 is a header code and cannot be used on claims. Choose the most specific code:

Notes for M89.76

Applicable to:
  • Major osseous defect of fibula and tibia

Notes inherited from parent codes

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

M89.7 – Major osseous defect

Code first:
  • underlying disease, if known, such as:
  • aseptic necrosis of bone (M87.-)
  • malignant neoplasm of bone (C40.-)
  • osteolysis (M89.5-)
  • osteomyelitis (M86.-)
  • osteonecrosis (M87.-)
  • osteoporosis (M80.-, M81.-)
  • periprosthetic osteolysis (T84.05-)

Block M86-M90

Excludes1 (not coded here):
  • postprocedural osteopathies (M96.-)

Index terms for M89.76

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

Related codes in M89.7

Frequently asked questions

What is ICD-10 code M89.76?

M89.76 is the ICD-10-CM code for major osseous defect, lower leg, in the block M86-M90 (Other osteopathies).

Is M89.76 a billable code?

No. M89.76 is a header code with more specific child codes; report one of the billable codes listed above.

What category does M89.76 belong to?

It belongs to category M89 – Other disorders of bone.

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.