765 Disorders relating to short gestation and unspecified low birthweight (765.00-765.29) ICD-9-CM
The 765.00-765.29 block classified 765 disorders relating to short gestation and unspecified low birthweight with 30 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 765.00-765.29 Block 30 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.
- 765.00 Extreme immatur wtNOS
- 765.01 Extreme immatur <500g
- 765.02 Extreme immatur 500-749g
- 765.03 Extreme immatur 750-999g
- 765.04 Extreme immat 1000-1249g
- 765.05 Extreme immat 1250-1499g
- 765.06 Extreme immat 1500-1749g
- 765.07 Extreme immat 1750-1999g
- 765.08 Extreme immat 2000-2499g
- 765.09 Extreme immat 2500+g
- 765.10 Preterm infant NEC wtNOS
- 765.11 Preterm NEC <500g
- 765.12 Preterm NEC 500-749g
- 765.13 Preterm NEC 750-999g
- 765.14 Preterm NEC 1000-1249g
- 765.15 Preterm NEC 1250-1499g
- 765.16 Preterm NEC 1500-1749g
- 765.17 Preterm NEC 1750-1999g
- 765.18 Preterm NEC 2000-2499g
- 765.19 Preterm NEC 2500+g
- 765.20 Weeks of gestation NOS
- 765.21 <24 comp wks gestation
- 765.22 24 comp weeks gestation
- 765.23 25-26 comp wks gestation
- 765.24 27-28 comp wks gestation
- 765.25 29-30 comp wks gestation
- 765.26 31-32 comp wks gestation
- 765.27 33-34 comp wks gestation
- 765.28 35-36 comp wks gestation
- 765.29 37+ comp wks gestation
Questions About This Page
Are the 765.00-765.29 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 765.00-765.29 block classify?
The block classified 765 disorders relating to short gestation and unspecified low birthweight with 30 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.
