ICD-9-CM Tabular Index · Legacy Code Set 996-999

Complications of surgical and medical care, not elsewhere classified (996-999) ICD-9-CM

The 996-999 section covered complications of surgical and medical care, not elsewhere classified with 148 legacy diagnosis codes across 4 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
4
Code Blocks
148
Legacy Codes
996-999
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

Code Blocks in This Section 4 blocks · 148 codes

Questions About This Page

How many codes are in the 996-999 section?

The 996-999 section contains 148 legacy diagnosis codes across 4 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 complications of surgical and medical care, not elsewhere classified 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.