779 Other and ill-defined conditions originating in the perinatal period (779.0-779.9) ICD-9-CM
The 779.0-779.9 block classified 779 other and ill-defined conditions originating in the perinatal period with 18 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 779.0-779.9 Block 18 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.
- 779.0 Convulsions in newborn
- 779.1 NB cereb irrit NEC/NOS
- 779.2 Cns dysfunction syn NB
- 779.31 NB feeding problems
- 779.32 NB bilious vomiting
- 779.33 NB other vomiting
- 779.34 NB failure to thrive
- 779.4 NB drug reaction/intoxic
- 779.5 NB drug withdrawal syndr
- 779.6 Termination of pregnancy
- 779.7 Perivent leukomalacia
- 779.81 Neonatal bradycardia
- 779.82 Neonatal tachycardia
- 779.83 Delay separate umbl cord
- 779.84 Meconium staining
- 779.85 NB cardiac arrest
- 779.89 Perinatal condition NEC
- 779.9 Perinatal condition NOS
Questions About This Page
Are the 779.0-779.9 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 779.0-779.9 block classify?
The block classified 779 other and ill-defined conditions originating in the perinatal period with 18 codes in the final ICD-9-CM release. It sat under Certain conditions originating in the perinatal period (760–779) 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.
