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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M26-M27
Dentofacial anomalies [including malocclusion] and other disorders of jaw
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M26-
Dentofacial anomalies [including malocclusion]
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2020 ICD-10-CM Diagnosis Code M26.04
Mandibular hypoplasia
2016 2017 2018 2019 2020 Billable/Specific Code
- M26.04 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2020 edition of ICD-10-CM M26.04 became effective on October 1, 2019.
- This is the American ICD-10-CM version of M26.04 - other international versions of ICD-10 M26.04 may differ.
The following code(s) above
M26.04 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
M26.04:
- M00-M99
2020 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissueNote- 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)
- M26-M27
2020 ICD-10-CM Range M26-M27
Dentofacial anomalies [including malocclusion] and other disorders of jawType 1 Excludes- hemifacial atrophy or hypertrophy (Q67.4)
- unilateral condylar hyperplasia or hypoplasia (M27.8)
- M26.0
ICD-10-CM Diagnosis Code M26.0
Major anomalies of jaw size
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
- Congenital mandibular hypoplasia
- Hypoplasia of mandibular bone
ICD-10-CM M26.04 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 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 M26.04 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
- 2020 (effective 10/1/2019): No change
- Anomaly, anomalous (congenital) (unspecified type) Q89.9
ICD-10-CM Diagnosis Code Q89.9
Congenital malformation, unspecified
2016 2017 2018 2019 2020 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 2020 Billable/Specific Code
- jaw size M26.00
ICD-10-CM Diagnosis Code M26.00
Unspecified anomaly of jaw size
2016 2017 2018 2019 2020 Billable/Specific Code
- Hypoplasia, hypoplastic
- jaw M26.09
ICD-10-CM Diagnosis Code M26.09
Other specified anomalies of jaw size
2016 2017 2018 2019 2020 Billable/Specific Code
- mandible, mandibular M26.04
ICD-10-CM Codes Adjacent To M26.04
M25.871 Other specified joint disorders, right ankle and foot
M25.872 Other specified joint disorders, left ankle and foot
M25.879 Other specified joint disorders, unspecified ankle and foot
M25.9 Joint disorder, unspecified
M26 Dentofacial anomalies [including malocclusion]
M26.0 Major anomalies of jaw size
M26.00 Unspecified anomaly of jaw size
M26.04
Mandibular hypoplasia
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
M26.19 Other specified anomalies of jaw-cranial base relationship
M26.2 Anomalies of dental arch relationship
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
