2020 ICD-10-CM Diagnosis Code Q38

Other congenital malformations of tongue, mouth and pharynx

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • Q38 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM Q38 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q38 - other international versions of ICD-10 Q38 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as Q38. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • dentofacial anomalies (
    ICD-10-CM Diagnosis Code M26
    • M26 Dentofacial anomalies [including malocclusion...
      • M26.0 Major anomalies of jaw size
        • M26.00 Unspecified anomaly of jaw size
        • 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 relat...
        • M26.11 Maxillary asymmetry
        • M26.12 Other jaw asymmetry
        • M26.19 Other specified anomalies of jaw-cranial base...
      • M26.2 Anomalies of dental arch relationship
        • M26.20 Unspecified anomaly of dental arch relationsh...
        • M26.21 Malocclusion, Angle's class
        • M26.22 Open occlusal relationship
          • M26.220 Open anterior occlusal relationship
          • M26.221 Open posterior occlusal relationship
        • M26.23 Excessive horizontal overlap
        • M26.24 Reverse articulation
        • M26.25 Anomalies of interarch distance
        • M26.29 Other anomalies of dental arch relationship
      • M26.3 Anomalies of tooth position of fully erupted ...
        • M26.30 Unspecified anomaly of tooth position of full...
        • M26.31 Crowding of fully erupted teeth
        • M26.32 Excessive spacing of fully erupted teeth
        • M26.33 Horizontal displacement of fully erupted toot...
        • M26.34 Vertical displacement of fully erupted tooth ...
        • M26.35 Rotation of fully erupted tooth or teeth
        • M26.36 Insufficient interocclusal distance of fully ...
        • M26.37 Excessive interocclusal distance of fully eru...
        • M26.39 Other anomalies of tooth position of fully er...
      • M26.4 Malocclusion, unspecified
      • M26.5 Dentofacial functional abnormalities
        • M26.50 Dentofacial functional abnormalities, unspeci...
        • M26.51 Abnormal jaw closure
        • M26.52 Limited mandibular range of motion
        • M26.53 Deviation in opening and closing of the mandi...
        • M26.54 Insufficient anterior guidance
        • M26.55 Centric occlusion maximum intercuspation disc...
        • M26.56 Non-working side interference
        • M26.57 Lack of posterior occlusal support
        • M26.59 Other dentofacial functional abnormalities
      • M26.6 Temporomandibular joint disorders
        • M26.60 Temporomandibular joint disorder, unspecified...
          • M26.601 Right temporomandibular joint disorder, unspe...
          • M26.602 Left temporomandibular joint disorder, unspec...
          • M26.603 Bilateral temporomandibular joint disorder, u...
          • M26.609 Unspecified temporomandibular joint disorder,...
        • M26.61 Adhesions and ankylosis of temporomandibular ...
          • M26.611 Adhesions and ankylosis of right temporomandi...
          • M26.612 Adhesions and ankylosis of left temporomandib...
          • M26.613 Adhesions and ankylosis of bilateral temporom...
          • M26.619 Adhesions and ankylosis of temporomandibular ...
        • M26.62 Arthralgia of temporomandibular joint
          • M26.621 Arthralgia of right temporomandibular joint
          • M26.622 Arthralgia of left temporomandibular joint
          • M26.623 Arthralgia of bilateral temporomandibular joi...
          • M26.629 Arthralgia of temporomandibular joint, unspec...
        • M26.63 Articular disc disorder of temporomandibular ...
          • M26.631 Articular disc disorder of right temporomandi...
          • M26.632 Articular disc disorder of left temporomandib...
          • M26.633 Articular disc disorder of bilateral temporom...
          • M26.639 Articular disc disorder of temporomandibular ...
        • M26.69 Other specified disorders of temporomandibula...
      • M26.7 Dental alveolar anomalies
        • M26.70 Unspecified alveolar anomaly
        • M26.71 Alveolar maxillary hyperplasia
        • M26.72 Alveolar mandibular hyperplasia
        • M26.73 Alveolar maxillary hypoplasia
        • M26.74 Alveolar mandibular hypoplasia
        • M26.79 Other specified alveolar anomalies
      • M26.8 Other dentofacial anomalies
        • M26.81 Anterior soft tissue impingement
        • M26.82 Posterior soft tissue impingement
        • M26.89 Other dentofacial anomalies
      • M26.9 Dentofacial anomaly, unspecified
    M26.-
    )
  • macrostomia (
    ICD-10-CM Diagnosis Code Q18.4

    Macrostomia

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Q18.4
    )
  • microstomia (
    ICD-10-CM Diagnosis Code Q18.5

    Microstomia

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Q18.5
    )
The following code(s) above Q38 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 Q38:
  • Q00-Q99
    2020 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
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
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To Q38
Q36.9 Cleft lip, unilateral
Q37 Cleft palate with cleft lip
Q37.0 Cleft hard palate with bilateral cleft lip
Q37.1 Cleft hard palate with unilateral cleft lip
Q37.2 Cleft soft palate with bilateral cleft lip
Q37.3 Cleft soft palate with unilateral cleft lip
Q37.4 Cleft hard and soft palate with bilateral cleft lip
Q37.5 Cleft hard and soft palate with unilateral cleft lip
Q37.8 Unspecified cleft palate with bilateral cleft lip
Q37.9 Unspecified cleft palate with unilateral cleft lip
Q38 Other congenital malformations of tongue, mouth and pharynx
Q38.0 Congenital malformations of lips, not elsewhere classified
Q38.1 Ankyloglossia
Q38.2 Macroglossia
Q38.3 Other congenital malformations of tongue
Q38.4 Congenital malformations of salivary glands and ducts
Q38.5 Congenital malformations of palate, not elsewhere classified
Q38.6 Other congenital malformations of mouth
Q38.7 Congenital pharyngeal pouch
Q38.8 Other congenital malformations of pharynx
Q39 Congenital malformations of esophagus

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