M23.052 — Cystic meniscus, posterior horn of lateral meniscus, left knee
Is M23.052 billable?
Yes — M23.052 is billable for FY2027. M23.052 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M23.052 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M23.052 at a glance
| Code | M23.052 |
|---|---|
| Description | Cystic meniscus, posterior horn of lateral meniscus, left knee |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M23.052 group to?
M23.052 sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 562Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCCmedical
- 563Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCCmedical
How is M23.052 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M23.05, the nearest indexed parent of M23.052. Use them to find the family, then select the specific code.
- Derangement › knee › meniscus › cystic › lateral › posterior horn
Excludes1 — never code together — inherited from M23
The conditions below can never be reported together with M23.052 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M23.052, but a patient may have both at the same time. When documentation supports it, M23.052 and the excluded code may both be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from M20-M25
The conditions below are not part of M23.052, but a patient may have both at the same time. When documentation supports it, M23.052 and the excluded code may both be reported.
- joints of the spine (M40-M54)
Excludes2 — not included here — inherited from M23
The conditions below are not part of M23.052, but a patient may have both at the same time. When documentation supports it, M23.052 and the excluded code may both be reported.
How long has M23.052 existed?
M23.052 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.