525 Other diseases and conditions of the teeth and supporting structures (525.0-525.9) ICD-9-CM
The 525.0-525.9 block classified 525 other diseases and conditions of the teeth and supporting structures with 39 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 525.0-525.9 Block 39 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.
- 525.0 Exfoliation of teeth
- 525.10 Acq absence of teeth NOS
- 525.11 Loss of teeth d/t trauma
- 525.12 Loss teeth d/t peri dis
- 525.13 Loss of teeth d/t caries
- 525.19 Loss of teeth NEC
- 525.20 Atrophy alvlar ridge NOS
- 525.21 Atrophy mandible-minimal
- 525.22 Atrophy mandible-modrate
- 525.23 Atrophy mandible-severe
- 525.24 Atrophy maxilla-minimal
- 525.25 Atrophy maxilla-moderate
- 525.26 Atrophy maxilla-severe
- 525.3 Retained dental root
- 525.40 Complete edentulism NOS
- 525.41 Comp edentulism,class I
- 525.42 Comp edentulism,class II
- 525.43 Comp edentulsm,class III
- 525.44 Comp edentulism,class IV
- 525.50 Partial edentulism NOS
- 525.51 Part edentulism,class I
- 525.52 Part edentulism,class II
- 525.53 Part edentulsm,class III
- 525.54 Part edentulism,class IV
- 525.60 Unsat restore tooth NOS
- 525.61 Open restoration margins
- 525.62 Overhang dental restore
- 525.63 Fx dental mat w/o loss
- 525.64 Fx dentl material w loss
- 525.65 Contour restore tooth
- 525.66 Allergy dental res mat
- 525.67 Poor aesthetics restore
- 525.69 Unsat restore tooth NEC
- 525.71 Osseo fail dental implnt
- 525.72 Post-osse biol fail impl
- 525.73 Post-osse mech fail impl
- 525.79 Endos dentl imp fail NEC
- 525.8 Dental disorder NEC
- 525.9 Dental disorder NOS
Questions About This Page
Are the 525.0-525.9 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 525.0-525.9 block classify?
The block classified 525 other diseases and conditions of the teeth and supporting structures with 39 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.