ICD-10-CM
ICD-10 code for Antero-occlusion: M26.220
The ICD-10-CM index points "Antero-occlusion" to M26.220, Open anterior occlusal relationship. M26.220 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in M26
A header groups codes and is not billed. A billable code is one you can report.
- M26Dentofacial anomalies [including malocclusion]Header
- M26.0Major anomalies of jaw sizeHeader
- M26.00Unspecified anomaly of jaw sizeBillable
- M26.01Maxillary hyperplasiaBillable
- M26.02Maxillary hypoplasiaBillable
- M26.03Mandibular hyperplasiaBillable
- M26.04Mandibular hypoplasiaBillable
- M26.05MacrogeniaBillable
- M26.06MicrogeniaBillable
- M26.07Excessive tuberosity of jawBillable
- M26.09Other specified anomalies of jaw sizeBillable
- M26.1Anomalies of jaw-cranial base relationshipHeader
- M26.10Unspecified anomaly of jaw-cranial base relationshipBillable
- M26.11Maxillary asymmetryBillable
- M26.12Other jaw asymmetryBillable
- M26.19Other specified anomalies of jaw-cranial base relationshipBillable
- M26.2Anomalies of dental arch relationshipHeader
- M26.20Unspecified anomaly of dental arch relationshipBillable
- M26.21Malocclusion, Angle's classHeader
- M26.22Open occlusal relationshipHeader
- M26.23Excessive horizontal overlapBillable
- M26.24Reverse articulationBillable
- M26.25Anomalies of interarch distanceBillable
- M26.29Other anomalies of dental arch relationshipBillable
- M26.3Anomalies of tooth position of fully erupted tooth or teethHeader
- M26.30Unspecified anomaly of tooth position of fully erupted tooth or teethBillable
- M26.31Crowding of fully erupted teethBillable
- M26.32Excessive spacing of fully erupted teethBillable
- M26.33Horizontal displacement of fully erupted tooth or teethBillable
- M26.34Vertical displacement of fully erupted tooth or teethBillable
- M26.35Rotation of fully erupted tooth or teethBillable
- M26.36Insufficient interocclusal distance of fully erupted teeth (ridge)Billable
- M26.37Excessive interocclusal distance of fully erupted teethBillable
- M26.39Other anomalies of tooth position of fully erupted tooth or teethBillable
- M26.4Malocclusion, unspecifiedBillable
- M26.5Dentofacial functional abnormalitiesHeader
- 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
- M26.6Temporomandibular joint disordersHeader
- M26.60Temporomandibular joint disorder, unspecifiedHeader
- M26.61Adhesions and ankylosis of temporomandibular jointHeader
- M26.62Arthralgia of temporomandibular jointHeader
- M26.63Articular disc disorder of temporomandibular jointHeader
- M26.64Arthritis of temporomandibular jointHeader
- M26.65Arthropathy of temporomandibular jointHeader
- M26.69Other specified disorders of temporomandibular jointBillable
- M26.7Dental alveolar anomaliesHeader
- M26.70Unspecified alveolar anomalyBillable
- M26.71Alveolar maxillary hyperplasiaBillable
- M26.72Alveolar mandibular hyperplasiaBillable
- M26.73Alveolar maxillary hypoplasiaBillable
- M26.74Alveolar mandibular hypoplasiaBillable
- M26.79Other specified alveolar anomaliesBillable
Related conditions
Related pages
- M26.220 code detailsNotes, nearby codes, CMS-HCC group
- Category M26Every code under it
- Chapter 13Diseases of the musculoskeletal system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Antero-occlusion?
The ICD-10-CM index points "Antero-occlusion" to M26.220, Open anterior occlusal relationship. M26.220 is a billable code.
Is M26.220 billable?
Yes. M26.220 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is M26.220 in?
Chapter 13. Diseases of the musculoskeletal system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.