524 Dentofacial anomalies, including malocclusion (524.00-524.9) ICD-9-CM
The 524.00-524.9 block classified 524 dentofacial anomalies, including malocclusion with 60 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 524.00-524.9 Block 60 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 524.00 Unspcf anomaly jaw size
- 524.01 Maxillary hyperplasia
- 524.02 Mandibular hyperplasia
- 524.03 Maxillary hypoplasia
- 524.04 Mandibular hypoplasia
- 524.05 Macrogenia
- 524.06 Microgenia
- 524.07 Excessive tuberosity-jaw
- 524.09 Oth spcf anmly jaw size
- 524.10 Unspcf anm jaw cranl bse
- 524.11 Maxillary asymmetry
- 524.12 Other jaw asymmetry
- 524.19 Spcfd anom jaw cranl bse
- 524.20 Anomaly dental arch NOS
- 524.21 Malocc- Angle's class I
- 524.22 Malocc-Angle's class II
- 524.23 Malocc-Angle's class III
- 524.24 Open anterior occlusion
- 524.25 Open posterior occlusion
- 524.26 Excess horizontl overlap
- 524.27 Reverse articulation
- 524.28 Anom interarch distance
- 524.29 Anomaly dental arch NEC
- 524.30 Tooth position anom NOS
- 524.31 Crowding of teeth
- 524.32 Excessive spacing-teeth
- 524.33 Horizontl displace-teeth
- 524.34 Vertical displace-teeth
- 524.35 Rotation of teeth
- 524.36 Insuf interocclusl-teeth
- 524.37 Exces interocclusl-teeth
- 524.39 Tooth position anom NEC
- 524.4 Malocclusion NOS
- 524.50 Dentofac funct abnor NOS
- 524.51 Abnormal jaw closure
- 524.52 Limited mandibular ROM
- 524.53 Dev open/close mandible
- 524.54 Insuff anterior guidance
- 524.55 Centric occl intrcsp dis
- 524.56 Nonwork side interfrnce
- 524.57 Lack post occlsl support
- 524.59 Dentofac funct abnor NEC
- 524.60 TMJ disorders NOS
- 524.61 Adhesns/ankylosis - TMJ
- 524.62 Arthralgia TMJ
- 524.63 Articular disc disorder
- 524.64 TMJ sounds opn/close jaw
- 524.69 Other specf TMJ disordrs
- 524.70 Unspf dent alvelr anmaly
- 524.71 Alveolar maxil hyprplsia
- 524.72 Alveolar mandib hyprplas
- 524.73 Alveolar maxil hypoplsia
- 524.74 Alveolar mandb hypoplsia
- 524.75 Vertical displace teeth
- 524.76 Occlusal plane deviation
- 524.79 Oth spcf alveolar anmaly
- 524.81 Anterior soft tiss impg
- 524.82 Posterior soft tiss impg
- 524.89 Dentofacial anomaly NEC
- 524.9 Dentofacial anomaly NOS
Questions About This Page
Are the 524.00-524.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 524.00-524.9 block classify?
The block classified 524 dentofacial anomalies, including malocclusion with 60 codes in the final ICD-9-CM release. It sat under Diseases of the digestive system (520–579) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
