651 Multiple gestation (651.00-651.93) ICD-9-CM
The 651.00-651.93 block classified 651 multiple gestation 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 651.00-651.93 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.
- 651.00 Twin pregnancy-unspec
- 651.01 Twin pregnancy-delivered
- 651.03 Twin pregnancy-antepart
- 651.10 Triplet pregnancy-unspec
- 651.11 Triplet pregnancy-deliv
- 651.13 Triplet preg-antepartum
- 651.20 Quadruplet preg-unspec
- 651.21 Quadruplet preg-deliver
- 651.23 Quadruplet preg-antepart
- 651.30 Twins w fetal loss-unsp
- 651.31 Twins w fetal loss-del
- 651.33 Twins w fetal loss-ante
- 651.40 Triplets w fet loss-unsp
- 651.41 Triplets w fet loss-del
- 651.43 Triplets w fet loss-ante
- 651.50 Quads w fetal loss-unsp
- 651.51 Quads w fetal loss-del
- 651.53 Quads w fetal loss-ante
- 651.60 Mult ges w fet loss-unsp
- 651.61 Mult ges w fet loss-del
- 651.63 Mult ges w fet loss-ante
- 651.70 Mul gest-fet reduct unsp
- 651.71 Mult gest-fet reduct del
- 651.73 Mul gest-fet reduct ante
- 651.80 Multi gestat NEC-unspec
- 651.81 Multi gestat NEC-deliver
- 651.83 Multi gest NEC-antepart
- 651.90 Multi gestat NOS-unspec
- 651.91 Mult gestation NOS-deliv
- 651.93 Multi gest NOS-antepart
Questions About This Page
Are the 651.00-651.93 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 651.00-651.93 block classify?
The block classified 651 multiple gestation with 30 codes in the final ICD-9-CM release. It sat under Complications of pregnancy, childbirth, and the puerperium (630–679) 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.
