M26.00

Unspecified anomaly of jaw size

Billable / specific

M26.00 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from M26)

  • 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.

  • acromegaly (E22.0) (from M26.0)
  • Robin's syndrome (Q87.0) (from M26.0)
  • hemifacial atrophy or hypertrophy (Q67.4) (from M26)
  • unilateral condylar hyperplasia or hypoplasia (M27.8) (from M26)

Excludes2

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

  • arthropathic psoriasis (L40.5-) (from M26)
  • certain conditions originating in the perinatal period (P04-P96) (from M26)
  • certain infectious and parasitic diseases (A00-B99) (from M26)
  • compartment syndrome (traumatic) (T79.A-) (from M26)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M26)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M26)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M26)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M26)
  • neoplasms (C00-D49) (from M26)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M26)

Also known as

  • Anomaly, anomalous, dentofacial, jaw size

Parent code

  • M26.0Major anomalies of jaw sizeHeader

Related codes

  • M26.01Maxillary hyperplasiaBillable
  • M26.02Maxillary hypoplasiaBillable
  • M26.03Mandibular hyperplasiaBillable
  • M26.04Mandibular hypoplasiaBillable
  • M26.05MacrogeniaBillable
  • M26.06MicrogeniaBillable
  • M26.07Excessive tuberosity of jawBillable
  • M26.09Other specified anomalies of jaw sizeBillable

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