M23.90
BillableUnspecified internal derangement of unspecified knee
Unspecified internal derangement of unspecified knee
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
- •current injury - see injury of knee and lower legS80-S89
- •recurrent dislocation or subluxation of jointsM24.4
- •recurrent dislocation or subluxation of patellaM22.0-M22.1
Related Codes(2)
Also Known As / Clinical Terms(41)
SNOMED CT
- Derangement of knee63643000
- IDK - Internal derangement of knee joint63643000
- Internal derangement of knee63643000
- Internal derangement of knee joint63643000
- Lesion of ligaments of knee region240005006
- Ligamentous laxity of knee240006007
- Articular cartilage disorder of knee429632003
- Degenerative disorder of articular cartilage of knee1297313005
UMLS
- Derangement of kneeC0158053
- Derangement of knee (disorder)C0158053
- IDK - Internal derangement of knee jointC0158053
- Internal derangement of kneeC0158053
- Internal derangement of knee jointC0158053
- Internal derangement of knee, unspecifiedC0158053
- Knee derangementC0158053
- Unspecified internal derangement of kneeC0158053
- Unspecified internal derangement of unspecified kneeC0158053
- derangement internal kneeC0158053
- derangement kneeC0158053
- derangement of kneeC0158053
- internal derangement kneeC0158053
- internal derangement of kneeC0158053
- internal knee derangementC0158053
- knee derangementC0158053
- knee internal derangementC0158053
Clinical Terms
- knee internal derangement
- derangement internal knee
- derangement knee
- internal derangement knee
- derangement of knee
- Degenerative disorder of articular cartilage of knee
- Internal derangement of knee joint
- internal knee derangement
- Internal derangement of knee, unspecified
- Unspecified internal derangement of knee
- Derangement of knee (disorder)
- Knee derangement
- Articular cartilage disorder of knee
- Ligamentous laxity of knee
- IDK - Internal derangement of knee joint
- Lesion of ligaments of knee region
Frequently Asked Questions
What is the ICD-10 code for unspecified internal derangement of unspecified knee?
The ICD-10-CM code for unspecified internal derangement of unspecified knee is M23.90. The full clinical description is "Unspecified internal derangement of unspecified knee". M23.90 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M23.90 mean?
ICD-10-CM code M23.90 represents “Unspecified internal derangement of unspecified 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 M23.90 a billable code?
Yes, M23.90 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M23.90 in?
M23.90 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M23.90?
M23.90 has Excludes1 notes indicating codes that cannot be used together with it, including: ankylosis (M24.66); deformity of knee (M21.-); osteochondritis dissecans (M93.2).
What SNOMED CT codes does M23.90 map to?
M23.90 maps to 5 SNOMED CT concepts: 429632003, 1297313005, 63643000, 240005006, 240006007. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M23.90?
M23.90 is linked to 1 UMLS Concept Unique Identifier: C0158053. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M23.90 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified internal derangement of unspecified 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 M23.90?
There is no direct ICD-11 mapping available for M23.90 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.