Is M23.00 a billable code?
No. M23.00 is a header code that groups 9 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M23.00: Cystic meniscus, unspecified meniscus
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M23.00 groups related diagnoses under cystic meniscus, unspecified meniscus. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M23.00
- M23.000Cystic meniscus, unspecified lateral meniscus, right knee
- M23.001Cystic meniscus, unspecified lateral meniscus, left knee
- M23.002Cystic meniscus, unspecified lateral meniscus, unspecified knee
- M23.003Cystic meniscus, unspecified medial meniscus, right knee
- M23.004Cystic meniscus, unspecified medial meniscus, left knee
- M23.005Cystic meniscus, unspecified medial meniscus, unspecified knee
- M23.006Cystic meniscus, unspecified meniscus, right knee
- M23.007Cystic meniscus, unspecified meniscus, left knee
- M23.009Cystic meniscus, unspecified meniscus, unspecified knee
Other codes in M23.0 Cystic meniscus
- M23.01Cystic meniscus, anterior horn of medial meniscusheader
- M23.02Cystic meniscus, posterior horn of medial meniscusheader
- M23.03Cystic meniscus, other medial meniscusheader
- M23.04Cystic meniscus, anterior horn of lateral meniscusheader
- M23.05Cystic meniscus, posterior horn of lateral meniscusheader
- M23.06Cystic meniscus, other lateral meniscusheader
M23.00 questions
What does M23.00 mean?
M23.00 is the ICD-10-CM code for Cystic meniscus, unspecified meniscus. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.