M23.51
BillableChronic instability of knee, right knee
Chronic instability of knee, right 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(29)
SNOMED CT
- Old disruption of ligament of knee14949009
- Chronic instability of knee203597000
- Chronic instability of joint239744003
- Bilateral instability of joints of knees15745081000119102
- Instability of joints of bilateral knees15745081000119102
- Instability of joints of both knees15745081000119102
- Chronic disruption of cruciate ligament of right knee15721521000119107
- Chronic instability of bilateral knee joints15745041000119107
- Chronic instability of left knee joint304361000119100
- Chronic instability of right knee joint304371000119106
- Instability of joint of left knee1075571000119106
- Unstable left knee1075571000119106
- Instability of joint of right knee1075551000119102
- Unstable right knee1075551000119102
Clinical Terms
- Instability of joint of right knee
- Instability of joints of bilateral knees
- Chronic disruption of cruciate ligament of right knee
- Chronic instability of knee
- Chronic instability of right knee joint
- Instability of joints of both knees
- Unstable left knee
- Unstable right knee
- Bilateral instability of joints of knees
- Chronic instability of bilateral knee joints
- Chronic instability of left knee joint
- Instability of joint of left knee
- Chronic instability of joint
- Old disruption of ligament of knee
Frequently Asked Questions
What is the ICD-10 code for chronic instability of knee, right knee?
The ICD-10-CM code for chronic instability of knee, right knee is M23.51. The full clinical description is "Chronic instability of knee, right knee". M23.51 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M23.51 mean?
ICD-10-CM code M23.51 represents “Chronic instability of knee, 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 M23.51 a billable code?
Yes, M23.51 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M23.51 in?
M23.51 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M23.51?
M23.51 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 M23.51 map to?
M23.51 maps to 10 SNOMED CT concepts: 15745081000119102, 15721521000119107, 15745041000119107, 239744003, 203597000, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M23.51?
M23.51 is linked to 1 UMLS Concept Unique Identifier: C2894694. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M23.51 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic instability of knee, 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 M23.51?
There is no direct ICD-11 mapping available for M23.51 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.