Chronic obstructive pulmonary disease and allied conditions (490-496) ICD-9-CM
The 490-496 section covered chronic obstructive pulmonary disease and allied conditions with 37 legacy diagnosis codes across 7 code blocks. The info icons preview the first codes of each block, and every code page carries its ICD-10-CM crosswalk.
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.
Code Blocks in This Section 7 blocks · 37 codes
The info icon previews what each row contains.
Questions About This Page
How many codes are in the 490-496 section?
The 490-496 section contains 37 legacy diagnosis codes across 7 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 chronic obstructive pulmonary disease and allied conditions 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.
