309 Adjustment reaction (309.0-309.9) ICD-9-CM
The 309.0-309.9 block classified 309 adjustment reaction with 15 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 309.0-309.9 Block 15 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.
- 309.0 Adjustmnt dis w depressn
- 309.1 Prolong depressive react
- 309.21 Separation anxiety
- 309.22 Emancipation disorder
- 309.23 Academic/work inhibition
- 309.24 Adjustment dis w anxiety
- 309.28 Adjust dis w anxiety/dep
- 309.29 Adj react-emotion NEC
- 309.3 Adjust disor/dis conduct
- 309.4 Adj dis-emotion/conduct
- 309.81 Posttraumatic stress dis
- 309.82 Adjust react-phys sympt
- 309.83 Adjust react-withdrawal
- 309.89 Adjustment reaction NEC
- 309.9 Adjustment reaction NOS
Questions About This Page
Are the 309.0-309.9 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 309.0-309.9 block classify?
The block classified 309 adjustment reaction with 15 codes in the final ICD-9-CM release. It sat under Mental disorders (290–319) 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.
