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M23.059BillableSave

M23.059 - Cystic meniscus, posterior horn of lateral meniscus, unspecified knee

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M20-M25 Other joint disorders (M20-M25) · Subcategory of M23.05 · FY2027

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom M23

Mutually exclusive: these conditions are never reported together with this code.

  • ankylosis (M24.66)
  • deformity of knee (M21.-)
  • osteochondritis dissecans (M93.2)
Excludes 2 — Not Included HereFrom M23

Not part of this code; report both codes when the patient has both conditions.

  • current injury - see injury of knee and lower leg (S80-S89)
  • recurrent dislocation or subluxation of joints (M24.4)
  • recurrent dislocation or subluxation of patella (M22.0-M22.1)
Excludes 2 — Not Included HereFrom M20-M25 Other joint disorders (M20-M25)

Not part of this code; report both codes when the patient has both conditions.

  • joints of the spine (M40-M54)
Excludes 2 — Not Included HereFrom Chapter M00-M99

Not part of this code; report both codes when the patient has both conditions.

  • 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)
NotesFrom Chapter M00-M99

Instructional notes from the ICD-10-CM tabular list.

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with M23.059.