ICD-10-CM Code M23.50
Chronic instability of knee, unspecified knee
BILLABLE
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ICD-10 from 2011 - 2016
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.M23.50 is a billable ICD code used to specify a diagnosis of chronic instability of knee, unspecified knee. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
MS-DRG Mapping
- DRG Group #564-566 - Other musculoskeletal system and connective tissue diagnoses with MCC.
- DRG Group #564-566 - Other musculoskeletal system and connective tissue diagnoses with CC.
- DRG Group #564-566 - Other musculoskeletal system and connective tissue diagnoses without CC or MCC.
Related Concepts SNOMET-CT
- Knee joint - mediolateral instability (finding)
- Old complete tear anterior cruciate ligament (disorder)
- Old lateral collateral ligament disruption (disorder)
Coding Advice SNOMET-CT
- Consider laterality specification
Equivalent ICD-9 Codes GENERAL EQUIVALENCE MAPPINGS (GEM)
Old disruption of other ligaments of knee
(approximate match)
Other joint derangement, not elsewhere classified, lower leg
(approximate match)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code M23.50 and a single ICD9 code, 718.86 is an approximate match for comparison and conversion purposes.
Parent Code: M23.5 - Chronic instability of knee