M24.661
BillableAnkylosis, right knee
Ankylosis, right knee
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- current injury - see injury of joint by body region
- •stiffness of joint without ankylosisM25.6
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
- •ganglionM67.4
- •snapping kneeM23.8
- •temporomandibular joint disordersM26.6
- •spineM43.2
Also Known As / Clinical Terms(25)
SNOMED CT
- Knee joint ankylosis202317007
- Arthrofibrosis of joint of knee1237306007
- Arthrofibrosis of knee joint1237306007
- Ankylosis of bilateral knee joints15726761000119103
- Ankylosis of both knee joints15726761000119103
- Ankylosis of left knee joint302531000119107
- Ankylosis of right knee joint302611000119101
- Arthrofibrosis of bilateral knees16097521000119107
- Arthrofibrosis of both knees16097521000119107
- Bilateral arthrofibrosis fibrosis of knees16097521000119107
- Arthrofibrosis of left knee16098281000119107
- Arthrofibrosis of right knee16097641000119100
Clinical Terms
- Ankylosis of right knee joint
- Arthrofibrosis of joint of knee
- Arthrofibrosis of right knee
- Arthrofibrosis of knee joint
- Arthrofibrosis of bilateral knees
- Bilateral arthrofibrosis fibrosis of knees
- Ankylosis of both knee joints
- Arthrofibrosis of left knee
- Knee joint ankylosis
- Arthrofibrosis of both knees
- Ankylosis of bilateral knee joints
- Ankylosis of left knee joint
Frequently Asked Questions
What is the ICD-10 code for ankylosis, right knee?
The ICD-10-CM code for ankylosis, right knee is M24.661. The full clinical description is "Ankylosis, right knee". M24.661 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M24.661 mean?
ICD-10-CM code M24.661 represents “Ankylosis, right knee”. 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 M24.661 a billable code?
Yes, M24.661 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M24.661 in?
M24.661 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M24.661?
M24.661 has Excludes1 notes indicating codes that cannot be used together with it, including: current injury - see injury of joint by body region; stiffness of joint without ankylosis (M25.6-).
What SNOMED CT codes does M24.661 map to?
M24.661 maps to 8 SNOMED CT concepts: 15726761000119103, 302531000119107, 302611000119101, 16097521000119107, 1237306007, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M24.661?
M24.661 is linked to 1 UMLS Concept Unique Identifier: C2894881. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M24.661 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like ankylosis, right knee 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 M24.661?
There is no direct ICD-11 mapping available for M24.661 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.