ICD-10 category · Chapter XIII · M00-M25
M23 Internal derangement of knee
91 codes under M23 in the South African Master Industry Table 2021, 81 valid for clinical use.
| Code | Description | Use | Benefits |
|---|---|---|---|
| M23 | Internal derangement of knee | Heading only | — |
| M23.0 | Cystic meniscus | Heading only | — |
| M23.00 | Cystic meniscus, multiple sites | Valid · may be primary | — |
| M23.01 | Cystic meniscus, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.02 | Cystic meniscus, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.03 | Cystic meniscus, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.04 | Cystic meniscus, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.05 | Cystic meniscus, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.06 | Cystic meniscus, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.07 | Cystic meniscus, capsular ligament | Valid · may be primary | — |
| M23.09 | Cystic meniscus, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.1 | Discoid meniscus (congenital) | Heading only | — |
| M23.10 | Discoid meniscus (congenital), multiple sites | Valid · may be primary | — |
| M23.11 | Discoid meniscus (congenital), anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.12 | Discoid meniscus (congenital), posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.13 | Discoid meniscus (congenital), medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.14 | Discoid meniscus (congenital), lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.15 | Discoid meniscus (congenital), lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.16 | Discoid meniscus (congenital), lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.17 | Discoid meniscus (congenital), capsular ligament | Valid · may be primary | — |
| M23.19 | Discoid meniscus (congenital), unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.2 | Derangement of meniscus due to old tear or injury | Heading only | — |
| M23.20 | Derangement of meniscus due to old tear or injury, multiple sites | Valid · may be primary | — |
| M23.21 | Derangement of meniscus due to old tear or injury, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.22 | Derangement of meniscus due to old tear or injury, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.23 | Derangement of meniscus due to old tear or injury, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.24 | Derangement of meniscus due to old tear or injury, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.25 | Derangement of meniscus due to old tear or injury, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.26 | Derangement of meniscus due to old tear or injury, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.27 | Derangement of meniscus due to old tear or injury, capsular ligament | Valid · may be primary | — |
| M23.29 | Derangement of meniscus due to old tear or injury, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.3 | Other meniscus derangements | Heading only | — |
| M23.30 | Other meniscus derangements, multiple sites | Valid · may be primary | — |
| M23.31 | Other meniscus derangements, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.32 | Other meniscus derangements, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.33 | Other meniscus derangements, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.34 | Other meniscus derangements, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.35 | Other meniscus derangements, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.36 | Other meniscus derangements, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.37 | Other meniscus derangements, capsular ligament | Valid · may be primary | — |
| M23.39 | Other meniscus derangements, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.4 | Loose body in knee | Heading only | — |
| M23.40 | Loose body in knee, multiple sites | Valid · may be primary | — |
| M23.41 | Loose body in knee, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.42 | Loose body in knee, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.43 | Loose body in knee, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.44 | Loose body in knee, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.45 | Loose body in knee, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.46 | Loose body in knee, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.47 | Loose body in knee, capsular ligament | Valid · may be primary | — |
| M23.49 | Loose body in knee, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.5 | Chronic instability of knee | Heading only | — |
| M23.50 | Chronic instability of knee, multiple sites | Valid · may be primary | — |
| M23.51 | Chronic instability of knee, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.52 | Chronic instability of knee, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.53 | Chronic instability of knee, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.54 | Chronic instability of knee, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.55 | Chronic instability of knee, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.56 | Chronic instability of knee, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.57 | Chronic instability of knee, capsular ligament | Valid · may be primary | — |
| M23.59 | Chronic instability of knee, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.6 | Other spontaneous disruption of ligament(s) of knee | Heading only | — |
| M23.60 | Other spontaneous disruption of ligament(s) of knee, multiple sites | Valid · may be primary | — |
| M23.61 | Other spontaneous disruption of ligament(s) of knee, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.62 | Other spontaneous disruption of ligament(s) of knee, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.63 | Other spontaneous disruption of ligament(s) of knee, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.64 | Other spontaneous disruption of ligament(s) of knee, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.65 | Other spontaneous disruption of ligament(s) of knee, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.66 | Other spontaneous disruption of ligament(s) of knee, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.67 | Other spontaneous disruption of ligament(s) of knee, capsular ligament | Valid · may be primary | — |
| M23.69 | Other spontaneous disruption of ligament(s) of knee, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.8 | Other internal derangements of knee | Heading only | — |
| M23.80 | Other internal derangements of knee, multiple sites | Valid · may be primary | — |
| M23.81 | Other internal derangements of knee, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.82 | Other internal derangements of knee, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.83 | Other internal derangements of knee, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.84 | Other internal derangements of knee, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.85 | Other internal derangements of knee, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.86 | Other internal derangements of knee, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.87 | Other internal derangements of knee, capsular ligament | Valid · may be primary | — |
| M23.89 | Other internal derangements of knee, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
| M23.9 | Internal derangement of knee, unspecified | Heading only | — |
| M23.90 | Internal derangement of knee, unspecified, multiple sites | Valid · may be primary | — |
| M23.91 | Internal derangement of knee, unspecified, anterior cruciate ligament or anterior horn of medial meniscus | Valid · may be primary | — |
| M23.92 | Internal derangement of knee, unspecified, posterior cruciate ligament or posterior horn of medial meniscus | Valid · may be primary | — |
| M23.93 | Internal derangement of knee, unspecified, medial collateral ligament or other and unspecified medial meniscus | Valid · may be primary | — |
| M23.94 | Internal derangement of knee, unspecified, lateral collateral ligament or anterior horn of lateral meniscus | Valid · may be primary | — |
| M23.95 | Internal derangement of knee, unspecified, lateral collateral ligament or posterior horn of lateral meniscus | Valid · may be primary | — |
| M23.96 | Internal derangement of knee, unspecified, lateral collateral ligament or other and unspecified lateral meniscus | Valid · may be primary | — |
| M23.97 | Internal derangement of knee, unspecified, capsular ligament | Valid · may be primary | — |
| M23.99 | Internal derangement of knee, unspecified, unspecified ligament or unspecified meniscus | Valid · may be primary | — |
Source and terms
Reproduced from the national table, unaltered.
The Department publishes the table for the industry to load. The ICD-10 Master Industry Table page
Codes and descriptions: ICD-10 Master Industry Table (MIT) 2021, published 16 March 2021 by the National Department of Health, Republic of South Africa. ® National Department of Health: all rights reserved. Reproduced for reference without alteration.
ICD-10 is the International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, © World Health Organization. The WHO ICD-10 descriptions appear as published in the MIT.
Prescribed Minimum Benefit (PMB) and Chronic Disease List (CDL) markers: Council for Medical Schemes, PMB Coded List, as read by GreenNotes. Benefit decisions rest with each medical scheme.
Source file: ICD-10_MIT_2021_Excel_16-March_2021.xlsx. Found an error in a code or description? Write to help@greennotes.co.za.
This lookup is a reference to the published code table, not coding advice. Code assignment is the treating practitioner’s responsibility, following the South African ICD-10 Coding Standards and Guidelines and the WHO ICD-10 volumes. GreenNotes does not warrant that the table is complete or current.
This is the South African table. Most ICD-10 results online are the United States’ ICD-10-CM, a different code set that South African medical schemes do not accept. Regulation 5 of the General Regulations under the Medical Schemes Act requires the diagnostic code on every account, and the Master Industry Table is the list it is coded from.
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