764 Slow fetal growth and fetal malnutrition (764.00-764.99) ICD-9-CM
The 764.00-764.99 block classified 764 slow fetal growth and fetal malnutrition with 40 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 764.00-764.99 Block 40 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.
- 764.00 Light-for-dates wtNOS
- 764.01 Light-for-dates <500g
- 764.02 Lt-for-dates 500-749g
- 764.03 Lt-for-dates 750-999g
- 764.04 Lt-for-dates 1000-1249g
- 764.05 Lt-for-dates 1250-1499g
- 764.06 Lt-for-dates 1500-1749g
- 764.07 Lt-for-dates 1750-1999g
- 764.08 Lt-for-dates 2000-2499g
- 764.09 Lt-for-dates 2500+g
- 764.10 Lt-for-date w/mal wtNOS
- 764.11 Lt-for-date w/mal <500g
- 764.12 Lt-date w/mal 500-749g
- 764.13 Lt-date w/mal 750-999g
- 764.14 Lt-date w/mal 1000-1249g
- 764.15 Lt-date w/mal 1250-1499g
- 764.16 Lt-date w/mal 1500-1749g
- 764.17 Lt-date w/mal 1750-1999g
- 764.18 Lt-date w/mal 2000-2499g
- 764.19 Lt-for-date w/mal 2500+g
- 764.20 Fetal malnutrition wtNOS
- 764.21 Fetal malnutrition <500g
- 764.22 Fetal malnutr 500-749g
- 764.23 Fetal mal 750-999g
- 764.24 Fetal mal 1000-1249g
- 764.25 Fetal mal 1250-1499g
- 764.26 Fetal mal 1500-1749g
- 764.27 Fetal malnutr 1750-1999g
- 764.28 Fetal malnutr 2000-2499g
- 764.29 Fetal malnutr 2500+g
- 764.90 Fet growth retard wtNOS
- 764.91 Fet growth retard <500g
- 764.92 Fet growth ret 500-749g
- 764.93 Fet growth ret 750-999g
- 764.94 Fet grwth ret 1000-1249g
- 764.95 Fet grwth ret 1250-1499g
- 764.96 Fet grwth ret 1500-1749g
- 764.97 Fet grwth ret 1750-1999g
- 764.98 Fet grwth ret 2000-2499g
- 764.99 Fet growth ret 2500+g
Questions About This Page
Are the 764.00-764.99 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 764.00-764.99 block classify?
The block classified 764 slow fetal growth and fetal malnutrition with 40 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.