ICD-9-CM Tabular Index · Legacy Code Set 520-529

Diseases of oral cavity, salivary glands, and jaws (520-529) ICD-9-CM

The 520-529 section covered diseases of oral cavity, salivary glands, and jaws with 225 legacy diagnosis codes across 10 code blocks. The info icons preview the first codes of each block, and every code page carries its ICD-10-CM crosswalk.

⚠ Legacy code set – replaced by ICD-10-CM on October 1, 2015✓ Built from the final CMS ICD-9-CM release
10
Code Blocks
225
Legacy Codes
520-529
Code Range
2015
Retired October 1

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.

ICD-9-CM

Code Blocks in This Section 10 blocks · 225 codes

Questions About This Page

How many codes are in the 520-529 section?

The 520-529 section contains 225 legacy diagnosis codes across 10 code blocks in the final ICD-9-CM release.

Can I still use these codes on claims?

No. ICD-9-CM was retired on October 1, 2015. To code diseases of oral cavity, salivary glands, and jaws today, use the current ICD-10-CM codes: every legacy code page in this range links its official replacement, and the ICD-9 / ICD-10 converter translates codes in both directions.

Related References

Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.