2027 ICD-10-CM Diagnosis Code M67.959Unspecified disorder of synovium and tendon, unspecified thigh
ICD-10-CM Codes›M00–M99›M65-M67›M67
- Billable — Valid for Submission
- Not Chronic
M67.959 is a billable ICD-10-CM diagnosis code for unspecified disorder of synovium and tendon, unspecified thigh. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 557 through 558. Coders also document this condition as disorder of tendon of hip region. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Tendon and synovial disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Disorder of tendon of hip region
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M67.959: its own notes plus those printed at M67 and Chapter 13. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Leg Injuries and Disorders
Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains, joint dislocations, and fractures (broken bones).
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M67.959 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M67.959Overview
What is the ICD-10 code for unspecified disorder of synovium and tendon, unspecified thigh?
The ICD-10-CM code for unspecified disorder of synovium and tendon, unspecified thigh is M67.959 (sometimes written as M67959). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M67.959 (Unspecified disorder of synovium and tendon, thigh) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report unspecified disorder of synovium and tendon, unspecified thigh on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M67.959 group to?
When unspecified disorder of synovium and tendon, unspecified thigh is the principal diagnosis on an inpatient stay, it groups to MS-DRG 557, 558, with relative weights from 0.8873 to 1.4883 depending on complications. Higher weights mean higher Medicare reimbursement.
Can M67.959 be reported with M72.0?
Not as a rule. The Excludes1 note at M67, which applies to M67.959, lists "palmar fascial fibromatosis [Dupuytren] (M72.0)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of M67.959?
Under the General Equivalence Mappings, unspecified disorder of synovium and tendon, unspecified thigh converts to ICD-9-CM 727.9 (synov/tend/bursa dis NOS). The mapping is approximate, so confirm the match fits the documentation.
