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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 M26.221
2020 ICD-10-CM Diagnosis Code M26.221
Open posterior occlusal relationship
2016 2017 2018 2019 2020 Billable/Specific Code
- M26.221 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 M26.221 became effective on October 1, 2019.
- This is the American ICD-10-CM version of M26.221 - other international versions of ICD-10 M26.221 may differ.
The following code(s) above
M26.221 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
M26.221:
- 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 M26.221 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
ICD-10-CM Codes Adjacent To M26.221
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
M26.22 Open occlusal relationship
M26.220 Open anterior occlusal relationship
M26.221
Open posterior occlusal relationship
M26.23 Excessive horizontal overlap
M26.25 Anomalies of interarch distance
M26.29 Other anomalies of dental arch relationship
M26.3 Anomalies of tooth position of fully erupted tooth or teeth
M26.30 Unspecified anomaly of tooth position of fully erupted tooth or teeth
M26.31 Crowding of fully erupted teeth
M26.32 Excessive spacing of fully erupted teeth
M26.33 Horizontal displacement of fully erupted tooth or teeth
M26.34 Vertical displacement of fully erupted tooth or teeth
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
