M23.20
M23.20 — Derangement of unspecified meniscus due to old tear or injury
Non-billable headerICD-10-CM
M23.20 is a non-billable header ICD-10-CM code for derangement of unspecified meniscus due to old tear or injury. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Derangement of unspecified lateral meniscus due to old tear or injury
- Derangement of unspecified medial meniscus due to old tear or injury
Risk adjustment
M23.20 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead M23.20
9 child codes. Green means billable.
- M23.200Derangement of unspecified lateral meniscus due to old tear or injury, right knee
- M23.201Derangement of unspecified lateral meniscus due to old tear or injury, left knee
- M23.202Derangement of unspecified lateral meniscus due to old tear or injury, unspecified knee
- M23.203Derangement of unspecified medial meniscus due to old tear or injury, right knee
- M23.204Derangement of unspecified medial meniscus due to old tear or injury, left knee
- M23.205Derangement of unspecified medial meniscus due to old tear or injury, unspecified knee
- M23.206Derangement of unspecified meniscus due to old tear or injury, right knee
- M23.207Derangement of unspecified meniscus due to old tear or injury, left knee
- M23.209Derangement of unspecified meniscus due to old tear or injury, unspecified knee
Related codes at this level
Codes that share M23.2. If M23.20 is not quite right, the correct code is usually one of these.
- M23.21Derangement of anterior horn of medial meniscus due to old tear or injury
- M23.22Derangement of posterior horn of medial meniscus due to old tear or injury
- M23.23Derangement of other medial meniscus due to old tear or injury
- M23.24Derangement of anterior horn of lateral meniscus due to old tear or injury
- M23.25Derangement of posterior horn of lateral meniscus due to old tear or injury
- M23.26Derangement of other lateral meniscus due to old tear or injury
Questions about M23.20
- Is M23.20 a billable ICD-10-CM code?
- No. M23.20 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does M23.20 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other joint disorders (M20-M25).