M26.29

Other anomalies of dental arch relationship

Billable / specific

M26.29 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Midline deviation of dental arch
  • Overbite (excessive) deep
  • Overbite (excessive) horizontal
  • Overbite (excessive) vertical
  • Posterior lingual occlusion of mandibular teeth

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.

  • 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

  • Midline deviation of dental arch
  • Overbite (excessive) deep
  • Overbite (excessive) horizontal
  • Overbite (excessive) vertical
  • Posterior lingual occlusion of mandibular teeth
  • Abocclusion
  • Anomaly, anomalous, dental, arch relationship, specified NEC
  • Anomaly, anomalous, dentofacial, dental arch relationship, specified NEC
  • Anomaly, anomalous, dentofacial, malocclusion, dental arch relationship NEC
  • Apertognathia
  • Closed bite
  • Deviation, midline
  • Deviation, teeth, midline
  • Occlusion, occluded, posterior lingual, of mandibular teeth
  • Occlusion, occluded, teeth
  • Overbite

Parent code

  • M26.2Anomalies of dental arch relationshipHeader

Related codes

  • M26.20Unspecified anomaly of dental arch relationshipBillable
  • M26.21Malocclusion, Angle's classHeader
  • M26.22Open occlusal relationshipHeader
  • M26.23Excessive horizontal overlapBillable
  • M26.24Reverse articulationBillable
  • M26.25Anomalies of interarch distanceBillable

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