ICD List 2024-2025 Edition

Related 2025 ICD-10-CM Codes to M23.91

Unspecified internal derangement of right knee

View Code M23.91

ICD Code	Description	Valid for Submission
M23	Internal derangement of knee	NON-BILLABLE CODE
M23.0	Cystic meniscus	NON-BILLABLE CODE
M23.00	Cystic meniscus, unspecified meniscus	NON-BILLABLE CODE
M23.000	Cystic meniscus, unspecified lateral meniscus, right knee	BILLABLE CODE
M23.001	Cystic meniscus, unspecified lateral meniscus, left knee	BILLABLE CODE
M23.002	Cystic meniscus, unspecified lateral meniscus, unspecified knee	BILLABLE CODE
M23.003	Cystic meniscus, unspecified medial meniscus, right knee	BILLABLE CODE
M23.004	Cystic meniscus, unspecified medial meniscus, left knee	BILLABLE CODE
M23.005	Cystic meniscus, unspecified medial meniscus, unspecified knee	BILLABLE CODE
M23.006	Cystic meniscus, unspecified meniscus, right knee	BILLABLE CODE
M23.007	Cystic meniscus, unspecified meniscus, left knee	BILLABLE CODE
M23.009	Cystic meniscus, unspecified meniscus, unspecified knee	BILLABLE CODE
M23.01	Cystic meniscus, anterior horn of medial meniscus	NON-BILLABLE CODE
M23.011	Cystic meniscus, anterior horn of medial meniscus, right knee	BILLABLE CODE
M23.012	Cystic meniscus, anterior horn of medial meniscus, left knee	BILLABLE CODE
M23.019	Cystic meniscus, anterior horn of medial meniscus, unspecified knee	BILLABLE CODE
M23.02	Cystic meniscus, posterior horn of medial meniscus	NON-BILLABLE CODE
M23.021	Cystic meniscus, posterior horn of medial meniscus, right knee	BILLABLE CODE
M23.022	Cystic meniscus, posterior horn of medial meniscus, left knee	BILLABLE CODE
M23.029	Cystic meniscus, posterior horn of medial meniscus, unspecified knee	BILLABLE CODE
M23.03	Cystic meniscus, other medial meniscus	NON-BILLABLE CODE
M23.031	Cystic meniscus, other medial meniscus, right knee	BILLABLE CODE
M23.032	Cystic meniscus, other medial meniscus, left knee	BILLABLE CODE
M23.039	Cystic meniscus, other medial meniscus, unspecified knee	BILLABLE CODE
M23.04	Cystic meniscus, anterior horn of lateral meniscus	NON-BILLABLE CODE
M23.041	Cystic meniscus, anterior horn of lateral meniscus, right knee	BILLABLE CODE
M23.042	Cystic meniscus, anterior horn of lateral meniscus, left knee	BILLABLE CODE
M23.049	Cystic meniscus, anterior horn of lateral meniscus, unspecified knee	BILLABLE CODE
M23.05	Cystic meniscus, posterior horn of lateral meniscus	NON-BILLABLE CODE
M23.051	Cystic meniscus, posterior horn of lateral meniscus, right knee	BILLABLE CODE
M23.052	Cystic meniscus, posterior horn of lateral meniscus, left knee	BILLABLE CODE
M23.059	Cystic meniscus, posterior horn of lateral meniscus, unspecified knee	BILLABLE CODE
M23.06	Cystic meniscus, other lateral meniscus	NON-BILLABLE CODE
M23.061	Cystic meniscus, other lateral meniscus, right knee	BILLABLE CODE
M23.062	Cystic meniscus, other lateral meniscus, left knee	BILLABLE CODE
M23.069	Cystic meniscus, other lateral meniscus, unspecified knee	BILLABLE CODE
M23.2	Derangement of meniscus due to old tear or injury	NON-BILLABLE CODE
M23.20	Derangement of unspecified meniscus due to old tear or injury	NON-BILLABLE CODE
M23.200	Derangement of unspecified lateral meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.201	Derangement of unspecified lateral meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.202	Derangement of unspecified lateral meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.203	Derangement of unspecified medial meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.204	Derangement of unspecified medial meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.205	Derangement of unspecified medial meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.206	Derangement of unspecified meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.207	Derangement of unspecified meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.209	Derangement of unspecified meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.21	Derangement of anterior horn of medial meniscus due to old tear or injury	NON-BILLABLE CODE
M23.211	Derangement of anterior horn of medial meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.212	Derangement of anterior horn of medial meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.219	Derangement of anterior horn of medial meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.22	Derangement of posterior horn of medial meniscus due to old tear or injury	NON-BILLABLE CODE
M23.221	Derangement of posterior horn of medial meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.222	Derangement of posterior horn of medial meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.229	Derangement of posterior horn of medial meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.23	Derangement of other medial meniscus due to old tear or injury	NON-BILLABLE CODE
M23.231	Derangement of other medial meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.232	Derangement of other medial meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.239	Derangement of other medial meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.24	Derangement of anterior horn of lateral meniscus due to old tear or injury	NON-BILLABLE CODE
M23.241	Derangement of anterior horn of lateral meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.242	Derangement of anterior horn of lateral meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.249	Derangement of anterior horn of lateral meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.25	Derangement of posterior horn of lateral meniscus due to old tear or injury	NON-BILLABLE CODE
M23.251	Derangement of posterior horn of lateral meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.252	Derangement of posterior horn of lateral meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.259	Derangement of posterior horn of lateral meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.26	Derangement of other lateral meniscus due to old tear or injury	NON-BILLABLE CODE
M23.261	Derangement of other lateral meniscus due to old tear or injury, right knee	BILLABLE CODE
M23.262	Derangement of other lateral meniscus due to old tear or injury, left knee	BILLABLE CODE
M23.269	Derangement of other lateral meniscus due to old tear or injury, unspecified knee	BILLABLE CODE
M23.3	Other meniscus derangements	NON-BILLABLE CODE
M23.30	Other meniscus derangements, unspecified meniscus	NON-BILLABLE CODE
M23.300	Other meniscus derangements, unspecified lateral meniscus, right knee	BILLABLE CODE
M23.301	Other meniscus derangements, unspecified lateral meniscus, left knee	BILLABLE CODE
M23.302	Other meniscus derangements, unspecified lateral meniscus, unspecified knee	BILLABLE CODE
M23.303	Other meniscus derangements, unspecified medial meniscus, right knee	BILLABLE CODE
M23.304	Other meniscus derangements, unspecified medial meniscus, left knee	BILLABLE CODE
M23.305	Other meniscus derangements, unspecified medial meniscus, unspecified knee	BILLABLE CODE
M23.306	Other meniscus derangements, unspecified meniscus, right knee	BILLABLE CODE
M23.307	Other meniscus derangements, unspecified meniscus, left knee	BILLABLE CODE
M23.309	Other meniscus derangements, unspecified meniscus, unspecified knee	BILLABLE CODE
M23.31	Other meniscus derangements, anterior horn of medial meniscus	NON-BILLABLE CODE
M23.311	Other meniscus derangements, anterior horn of medial meniscus, right knee	BILLABLE CODE
M23.312	Other meniscus derangements, anterior horn of medial meniscus, left knee	BILLABLE CODE
M23.319	Other meniscus derangements, anterior horn of medial meniscus, unspecified knee	BILLABLE CODE
M23.32	Other meniscus derangements, posterior horn of medial meniscus	NON-BILLABLE CODE
M23.321	Other meniscus derangements, posterior horn of medial meniscus, right knee	BILLABLE CODE
M23.322	Other meniscus derangements, posterior horn of medial meniscus, left knee	BILLABLE CODE
M23.329	Other meniscus derangements, posterior horn of medial meniscus, unspecified knee	BILLABLE CODE
M23.33	Other meniscus derangements, other medial meniscus	NON-BILLABLE CODE
M23.331	Other meniscus derangements, other medial meniscus, right knee	BILLABLE CODE
M23.332	Other meniscus derangements, other medial meniscus, left knee	BILLABLE CODE
M23.339	Other meniscus derangements, other medial meniscus, unspecified knee	BILLABLE CODE
M23.34	Other meniscus derangements, anterior horn of lateral meniscus	NON-BILLABLE CODE
M23.341	Other meniscus derangements, anterior horn of lateral meniscus, right knee	BILLABLE CODE
M23.342	Other meniscus derangements, anterior horn of lateral meniscus, left knee	BILLABLE CODE
M23.349	Other meniscus derangements, anterior horn of lateral meniscus, unspecified knee	BILLABLE CODE
M23.35	Other meniscus derangements, posterior horn of lateral meniscus	NON-BILLABLE CODE
M23.351	Other meniscus derangements, posterior horn of lateral meniscus, right knee	BILLABLE CODE
M23.352	Other meniscus derangements, posterior horn of lateral meniscus, left knee	BILLABLE CODE
M23.359	Other meniscus derangements, posterior horn of lateral meniscus, unspecified knee	BILLABLE CODE
M23.36	Other meniscus derangements, other lateral meniscus	NON-BILLABLE CODE
M23.361	Other meniscus derangements, other lateral meniscus, right knee	BILLABLE CODE
M23.362	Other meniscus derangements, other lateral meniscus, left knee	BILLABLE CODE
M23.369	Other meniscus derangements, other lateral meniscus, unspecified knee	BILLABLE CODE
M23.4	Loose body in knee	NON-BILLABLE CODE
M23.40	Loose body in knee, unspecified knee	BILLABLE CODE
M23.41	Loose body in knee, right knee	BILLABLE CODE
M23.42	Loose body in knee, left knee	BILLABLE CODE
M23.5	Chronic instability of knee	NON-BILLABLE CODE
M23.50	Chronic instability of knee, unspecified knee	BILLABLE CODE
M23.51	Chronic instability of knee, right knee	BILLABLE CODE
M23.52	Chronic instability of knee, left knee	BILLABLE CODE
M23.6	Other spontaneous disruption of ligament(s) of knee	NON-BILLABLE CODE
M23.60	Other spontaneous disruption of unspecified ligament of knee	NON-BILLABLE CODE
M23.601	Other spontaneous disruption of unspecified ligament of right knee	BILLABLE CODE
M23.602	Other spontaneous disruption of unspecified ligament of left knee	BILLABLE CODE
M23.609	Other spontaneous disruption of unspecified ligament of unspecified knee	BILLABLE CODE
M23.61	Other spontaneous disruption of anterior cruciate ligament of knee	NON-BILLABLE CODE
M23.611	Other spontaneous disruption of anterior cruciate ligament of right knee	BILLABLE CODE
M23.612	Other spontaneous disruption of anterior cruciate ligament of left knee	BILLABLE CODE
M23.619	Other spontaneous disruption of anterior cruciate ligament of unspecified knee	BILLABLE CODE
M23.62	Other spontaneous disruption of posterior cruciate ligament of knee	NON-BILLABLE CODE
M23.621	Other spontaneous disruption of posterior cruciate ligament of right knee	BILLABLE CODE
M23.622	Other spontaneous disruption of posterior cruciate ligament of left knee	BILLABLE CODE
M23.629	Other spontaneous disruption of posterior cruciate ligament of unspecified knee	BILLABLE CODE
M23.63	Other spontaneous disruption of medial collateral ligament of knee	NON-BILLABLE CODE
M23.631	Other spontaneous disruption of medial collateral ligament of right knee	BILLABLE CODE
M23.632	Other spontaneous disruption of medial collateral ligament of left knee	BILLABLE CODE
M23.639	Other spontaneous disruption of medial collateral ligament of unspecified knee	BILLABLE CODE
M23.64	Other spontaneous disruption of lateral collateral ligament of knee	NON-BILLABLE CODE
M23.641	Other spontaneous disruption of lateral collateral ligament of right knee	BILLABLE CODE
M23.642	Other spontaneous disruption of lateral collateral ligament of left knee	BILLABLE CODE
M23.649	Other spontaneous disruption of lateral collateral ligament of unspecified knee	BILLABLE CODE
M23.67	Other spontaneous disruption of capsular ligament of knee	NON-BILLABLE CODE
M23.671	Other spontaneous disruption of capsular ligament of right knee	BILLABLE CODE
M23.672	Other spontaneous disruption of capsular ligament of left knee	BILLABLE CODE
M23.679	Other spontaneous disruption of capsular ligament of unspecified knee	BILLABLE CODE
M23.8	Other internal derangements of knee	NON-BILLABLE CODE
M23.8X	Other internal derangements of knee	NON-BILLABLE CODE
M23.8X1	Other internal derangements of right knee	BILLABLE CODE
M23.8X2	Other internal derangements of left knee	BILLABLE CODE
M23.8X9	Other internal derangements of unspecified knee	BILLABLE CODE
M23.9	Unspecified internal derangement of knee	NON-BILLABLE CODE
M23.90	Unspecified internal derangement of unspecified knee	BILLABLE CODE
M23.92	Unspecified internal derangement of left knee	BILLABLE CODE

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