M25.46
Non-billableEffusion, knee
Effusion, knee
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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 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)
- joints of the spine (M40-M54)
- 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-)
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Effusion of kneeC0343166
- Effusion, kneeC0343166
- Effusion, unspecified kneeC0343166
- Knee effusionC0343166
- Knee joint effusionC0343166
- Knee joint effusion (disorder)C0343166
- effusion joint kneeC0343166
- effusion kneeC0343166
- effusion of kneeC0343166
- effusions kneeC0343166
- knee effusionC0343166
- knee joint effusionC0343166
Frequently Asked Questions
What is the ICD-10 code for effusion, knee?
The ICD-10-CM code for effusion, knee is M25.46. The full clinical description is "Effusion, knee". M25.46 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M25.46 mean?
ICD-10-CM code M25.46 represents "Effusion, knee". It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M25.46 a billable code?
No, M25.46 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under M25.46.
What chapter is M25.46 in?
M25.46 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M25.46?
M25.46 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 are the subcategories under M25.46?
M25.46 has 3 child codes, including: M25.461 (Effusion, right knee), M25.462 (Effusion, left knee), M25.469 (Effusion, unspecified knee).
What are the UMLS CUIs for M25.46?
M25.46 is linked to 1 UMLS Concept Unique Identifier: C0343166. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.