M25.40
BillableEffusion, unspecified joint
Effusion, unspecified joint
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •joints of the spineM40-M54
- •abnormality of gait and mobilityR26
- •acquired deformities of limbM20-M21
- •calcification of bursaM71.4
- •calcification of shoulder (joint)M75.3
- •calcification of tendonM65.2
- •difficulty in walkingR26.2
- •temporomandibular joint disorderM26.6
Related Codes(8)
Also Known As / Clinical Terms(35)
SNOMED CT
- Effusion of joint of multiple sites36662003
- Effusion of tibiofibular joint202382005
- Chronic joint effusion202391009
- Acute joint effusion202392002
- Traumatic joint effusion263118005
- Traumation joint effusion263118005
- Joint swelling271771009
- Observation of joint swelling271771009
- Swollen joint271771009
- Spontaneous joint effusion281369002
- Effusion into joint387637008
- Effusion of joint387637008
- Hydrarthrosis387637008
- Joint effusion387637008
- Painful swelling of joint387638003
- Intermittent effusion of joint711286009
- Intermittent hydrarthrosis711286009
Clinical Terms
- Hydrarthrosis
- Intermittent effusion of joint
- Spontaneous joint effusion
- Effusion of tibiofibular joint
- Effusion of joint of multiple sites
- Joint effusion
- Intermittent hydrarthrosis
- Traumatic joint effusion
- Joint swelling
- Traumation joint effusion
- Acute joint effusion
- Effusion into joint
- Swollen joint
- Observation of joint swelling
- Painful swelling of joint
- Chronic joint effusion
- Effusion of joint
Frequently Asked Questions
What is the ICD-10 code for effusion, unspecified joint?
The ICD-10-CM code for effusion, unspecified joint is M25.40. The full clinical description is "Effusion, unspecified joint". M25.40 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M25.40 mean?
ICD-10-CM code M25.40 represents “Effusion, unspecified joint”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M25.40 a billable code?
Yes, M25.40 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M25.40 in?
M25.40 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M25.40?
M25.40 has Excludes1 notes indicating codes that cannot be used together with it, including: hydrarthrosis in yaws (A66.6); intermittent hydrarthrosis (M12.4-); other infective (teno)synovitis (M65.1-).
What SNOMED CT codes does M25.40 map to?
M25.40 maps to 10 SNOMED CT concepts: 202392002, 202391009, 387637008, 36662003, 202382005, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M25.40?
M25.40 is linked to 1 UMLS Concept Unique Identifier: C2895018. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M25.40 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like effusion, unspecified joint affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M25.40?
There is no direct ICD-11 mapping available for M25.40 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.