M25.159 – Fistula, unspecified hip

ICD-10-CM 2027 diagnosis code · Other joint disorders

Billable code

ICD-10-CM code M25.159
Code
M25.159 (claims format: M25159)
Description
Fistula, unspecified hip
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
M20-M25 Other joint disorders
Parent codes
M25 › M25.1 › M25.15

Notes inherited from parent codes

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

M25 – Other joint disorder, not elsewhere classified

Excludes2 (not included here):
  • abnormality of gait and mobility (R26.-)
  • acquired deformities of limb (M20-M21)
  • calcification of bursa (M71.4-)
  • calcification of shoulder (joint) (M75.3)
  • calcification of tendon (M65.2-)
  • difficulty in walking (R26.2)
  • temporomandibular joint disorder (M26.6-)

Block M20-M25

Excludes2 (not included here):

Related codes in M25.15

Frequently asked questions

What is ICD-10 code M25.159?

M25.159 is the ICD-10-CM code for fistula, unspecified hip, in the block M20-M25 (Other joint disorders).

Is M25.159 a billable code?

Yes. M25.159 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M25.159 belong to?

It belongs to category M25 – Other joint disorder, 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.