662 Long labor (662.00-662.33) ICD-9-CM
The 662.00-662.33 block classified 662 long labor with 12 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 662.00-662.33 Block 12 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.
- 662.00 Prolonged 1st stage-unsp
- 662.01 Prolong 1st stage-deliv
- 662.03 Prolong 1st stage-antepa
- 662.10 Prolonged labor NOS-unsp
- 662.11 Prolong labor NOS-deliv
- 662.13 Prolong labor NOS-antepa
- 662.20 Prolonged 2nd stage-unsp
- 662.21 Prolong 2nd stage-deliv
- 662.23 Prolong 2nd stage-antepa
- 662.30 Delay del 2nd twin-unsp
- 662.31 Delay del 2nd twin-deliv
- 662.33 Delay del 2 twin-antepar
Questions About This Page
Are the 662.00-662.33 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 662.00-662.33 block classify?
The block classified 662 long labor with 12 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.
