312 Disturbance of conduct, not elsewhere classified (312.00-312.9) ICD-9-CM
The 312.00-312.9 block classified 312 disturbance of conduct, not elsewhere classified with 24 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 312.00-312.9 Block 24 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.
- 312.00 Unsocial aggress-unspec
- 312.01 Unsocial aggression-mild
- 312.02 Unsocial aggression-mod
- 312.03 Unsocial aggress-severe
- 312.10 Unsocial unaggress-unsp
- 312.11 Unsocial unaggress-mild
- 312.12 Unsocial unaggress-mod
- 312.13 Unsocial unaggr-severe
- 312.20 Social conduct dis-unsp
- 312.21 Social conduct dis-mild
- 312.22 Social conduct dis-mod
- 312.23 Social conduct dis-sev
- 312.30 Impulse control dis NOS
- 312.31 Pathological gambling
- 312.32 Kleptomania
- 312.33 Pyromania
- 312.34 Intermitt explosive dis
- 312.35 Isolated explosive dis
- 312.39 Impulse control dis NEC
- 312.4 Mix dis conduct/emotion
- 312.81 Cndct dsrdr chldhd onst
- 312.82 Cndct dsrdr adlscnt onst
- 312.89 Other conduct disorder
- 312.9 Conduct disturbance NOS
Questions About This Page
Are the 312.00-312.9 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 312.00-312.9 block classify?
The block classified 312 disturbance of conduct, not elsewhere classified with 24 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.
