The 800-999 chapter covered injury and poisoning with 2,587 legacy diagnosis codes across 24 sections. No ICD-9-CM code has been valid for claim submission since October 1, 2015; each section below leads to the codes and their ICD-10-CM replacements.
⚠ Legacy code set – replaced by ICD-10-CM on October 1, 2015✓ Built from the final CMS ICD-9-CM release
24
Sections
2,587
Legacy Codes
800-999
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
Sections in This Chapter 24 sections · 2,587 codes
The 800-999 chapter contains 2,587 legacy diagnosis codes across 24 sections 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 injury and poisoning 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.