NPI Atlas

M77.31 – Calcaneal spur, right foot

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

Billable code

ICD-10-CM code M77.31

Code: M77.31 (claims format: M7731)
Description: Calcaneal spur, right foot
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: M77 › M77.3

Notes inherited from parent codes

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

M77 – Other enthesopathies

Excludes1 (not coded here):

bursitis NOS (M71.9-)

Excludes2 (not included here):

bursitis due to use, overuse and pressure (M70.-)
osteophyte (M25.7)
spinal enthesopathy (M46.0-)

Related codes in M77.3

M77.30 – Calcaneal spur, unspecified footBillable
M77.32 – Calcaneal spur, left footBillable

Frequently asked questions

What is ICD-10 code M77.31?

M77.31 is the ICD-10-CM code for calcaneal spur, right foot, in the block M70-M79 (Other soft tissue disorders).

Is M77.31 a billable code?

Yes. M77.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M77.31 belong to?

It belongs to category M77 – Other enthesopathies.

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.