2019 ICD-10-CM Diagnosis Code M26.11

Maxillary asymmetry

    2016 2017 2018 2019 Billable/Specific Code
  • M26.11 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM M26.11 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of M26.11 - other international versions of ICD-10 M26.11 may differ.
The following code(s) above M26.11 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M26.11:
  • M00-M99
    2019 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • 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)
    Diseases of the musculoskeletal system and connective tissue
  • M26-M27
    2019 ICD-10-CM Range M26-M27

    Dentofacial anomalies [including malocclusion] and other disorders of jaw

    Type 1 Excludes
    • hemifacial atrophy or hypertrophy (Q67.4)
    • unilateral condylar hyperplasia or hypoplasia (M27.8)
    Dentofacial anomalies [including malocclusion] and other disorders of jaw
Approximate Synonyms
  • Asymmetry of maxilla
ICD-10-CM M26.11 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 011 Tracheostomy for face,mouth & neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face,mouth & neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face,mouth & neck diagnoses or laryngectomy without cc/mcc
  • 157 Dental and oral diseases with mcc
  • 158 Dental and oral diseases with cc
  • 159 Dental and oral diseases without cc/mcc

Convert M26.11 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to M26.11:
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • dentofacial M26.9
      ICD-10-CM Diagnosis Code M26.9

      Dentofacial anomaly, unspecified

        2016 2017 2018 2019 Billable/Specific Code
      • jaw-cranial base relationship M26.10
        ICD-10-CM Diagnosis Code M26.10

        Unspecified anomaly of jaw-cranial base relationship

          2016 2017 2018 2019 Billable/Specific Code
        • asymmetry M26.12
          ICD-10-CM Diagnosis Code M26.12

          Other jaw asymmetry

            2016 2017 2018 2019 Billable/Specific Code
          • maxillary M26.11

ICD-10-CM Codes Adjacent To M26.11
M26.01 Maxillary hyperplasia
M26.02 Maxillary hypoplasia
M26.03 Mandibular hyperplasia
M26.04 Mandibular hypoplasia
M26.05 Macrogenia
M26.06 Microgenia
M26.07 Excessive tuberosity of jaw
M26.09 Other specified anomalies of jaw size
M26.1 Anomalies of jaw-cranial base relationship
M26.10 Unspecified anomaly of jaw-cranial base relationship
M26.11 Maxillary asymmetry
M26.12 Other jaw asymmetry
M26.19 Other specified anomalies of jaw-cranial base relationship
M26.2 Anomalies of dental arch relationship
M26.20 Unspecified anomaly of dental arch relationship
M26.21 Malocclusion, Angle's class
M26.211 …… I
M26.212 …… II
M26.213 …… III
M26.219 …… unspecified
M26.22 Open occlusal relationship

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.