2027 ICD-10-CM Diagnosis Code M67.90Unspecified disorder of synovium and tendon, unspecified site
ICD-10-CM Codes›M00–M99›M65-M67›M67
- Billable — Valid for Submission
- Not Chronic
M67.90 is a billable ICD-10-CM diagnosis code for unspecified disorder of synovium and tendon, unspecified site. 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. 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.
- Chronic musculoskeletal pain due to disorder
- Chronic musculoskeletal pain due to disorder of tendon
- Disorder of synovial membrane
- Disorder of tendon
- Disorder of tendon of left lower limb
- Disorder of tendon of left upper limb
- Disorder of tendon of lower limb
- Disorder of tendon of right lower limb
- Disorder of tendon of right upper limb
- Disorder of tendon of upper limb
- Disorder of tendon repair
- Finding by inspection
- Finding of synovial fluid appearance
- Stringing of synovial fluid
- Synovial fluid: fibrin clot +
- Tendon sheath disorder
- Traumatic or non-traumatic rupture of tendon
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M67.90: 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.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disorder (of) See Also: Disease;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Joint Disorders
Your joints are places where two or more bones come together. Your shoulders, elbows, hips, knees, and knuckles are all joints. Your spine has joints, too.
The full article covers:
- What are joints?
- What are joint disorders?
- What diseases can affect the joints?
- What types of joint disorders happen from sudden injuries?
- What types of joint disorders happen from overuse?
- How can I keep my joints healthy?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M67.90 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M67.90Overview
What is the ICD-10 code for unspecified disorder of synovium and tendon, unspecified site?
The ICD-10-CM code for unspecified disorder of synovium and tendon, unspecified site is M67.90 (sometimes written as M6790). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M67.90 (Unspecified disorder of synovium and tendon) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report unspecified disorder of synovium and tendon, unspecified site on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M67.90 group to?
When unspecified disorder of synovium and tendon, unspecified site 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 M67.90 be reported with M72.0?
Not as a rule. The Excludes1 note at M67, which applies to M67.90, 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 M67.90?
Under the General Equivalence Mappings, unspecified disorder of synovium and tendon, unspecified site converts to ICD-9-CM 727.9 (synov/tend/bursa dis NOS). The mapping is approximate, so confirm the match fits the documentation.
