M26.5

Dentofacial functional abnormalities

Non-billable header

M26.5 is a non-billable header code. Use one of the more specific codes below.

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.

  • bruxism (F45.8)
  • teeth-grinding NOS (F45.8)
  • 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)

Parent code

  • M26Dentofacial anomalies [including malocclusion]Header

More specific codes M26.5

  • M26.50Dentofacial functional abnormalities, unspecifiedBillable
  • M26.51Abnormal jaw closureBillable
  • M26.52Limited mandibular range of motionBillable
  • M26.53Deviation in opening and closing of the mandibleBillable
  • M26.54Insufficient anterior guidanceBillable
  • M26.55Centric occlusion maximum intercuspation discrepancyBillable
  • M26.56Non-working side interferenceBillable
  • M26.57Lack of posterior occlusal supportBillable
  • M26.59Other dentofacial functional abnormalitiesBillable

Related codes

  • M26.0Major anomalies of jaw sizeHeader
  • M26.1Anomalies of jaw-cranial base relationshipHeader
  • M26.2Anomalies of dental arch relationshipHeader
  • M26.3Anomalies of tooth position of fully erupted tooth or teethHeader
  • M26.4Malocclusion, unspecifiedBillable
  • M26.6Temporomandibular joint disordersHeader
  • M26.7Dental alveolar anomaliesHeader
  • M26.8Other dentofacial anomaliesHeader
  • M26.9Dentofacial anomaly, unspecifiedBillable

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