M23.00

Cystic meniscus, unspecified meniscus

Non-billable header

M23.00 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

  • Cystic meniscus, unspecified lateral meniscus
  • Cystic meniscus, unspecified medial meniscus

Includes (from M23)

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

Excludes1

Not coded here — never report together with this code.

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-) (from M23)
  • certain conditions originating in the perinatal period (P04-P96) (from M23)
  • certain infectious and parasitic diseases (A00-B99) (from M23)
  • compartment syndrome (traumatic) (T79.A-) (from M23)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M23)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M23)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M23)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M23)
  • neoplasms (C00-D49) (from M23)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M23)
  • joints of the spine (M40-M54) (from M23)
  • current injury - see injury of knee and lower leg (S80-S89) (from M23)
  • recurrent dislocation or subluxation of joints (M24.4) (from M23)
  • recurrent dislocation or subluxation of patella (M22.0-M22.1) (from M23)

Also known as

  • Cystic meniscus, unspecified lateral meniscus
  • Cystic meniscus, unspecified medial meniscus

Parent code

  • M23.0Cystic meniscusHeader

More specific codes M23.00

  • M23.000Cystic meniscus, unspecified lateral meniscus, right kneeBillable
  • M23.001Cystic meniscus, unspecified lateral meniscus, left kneeBillable
  • M23.002Cystic meniscus, unspecified lateral meniscus, unspecified kneeBillable
  • M23.003Cystic meniscus, unspecified medial meniscus, right kneeBillable
  • M23.004Cystic meniscus, unspecified medial meniscus, left kneeBillable
  • M23.005Cystic meniscus, unspecified medial meniscus, unspecified kneeBillable
  • M23.006Cystic meniscus, unspecified meniscus, right kneeBillable
  • M23.007Cystic meniscus, unspecified meniscus, left kneeBillable
  • M23.009Cystic meniscus, unspecified meniscus, unspecified kneeBillable

Related codes

  • M23.01Cystic meniscus, anterior horn of medial meniscusHeader
  • M23.02Cystic meniscus, posterior horn of medial meniscusHeader
  • M23.03Cystic meniscus, other medial meniscusHeader
  • M23.04Cystic meniscus, anterior horn of lateral meniscusHeader
  • M23.05Cystic meniscus, posterior horn of lateral meniscusHeader
  • M23.06Cystic meniscus, other lateral meniscusHeader

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