634 Spontaneous abortion (634.00-634.92) ICD-9-CM
The 634.00-634.92 block classified 634 spontaneous abortion 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 634.00-634.92 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.
- 634.00 Spon abor w pel inf-unsp
- 634.01 Spon abor w pelv inf-inc
- 634.02 Spon abor w pel inf-comp
- 634.10 Spon abort w hemorr-unsp
- 634.11 Spon abort w hemorr-inc
- 634.12 Spon abort w hemorr-comp
- 634.20 Spon ab w pel damag-unsp
- 634.21 Spon ab w pelv damag-inc
- 634.22 Spon ab w pel damag-comp
- 634.30 Spon ab w ren fail-unsp
- 634.31 Spon ab w ren fail-inc
- 634.32 Spon ab w ren fail-comp
- 634.40 Spon ab w metab dis-unsp
- 634.41 Spon ab w metab dis-inc
- 634.42 Spon ab w metab dis-comp
- 634.50 Spon abort w shock-unsp
- 634.51 Spon abort w shock-inc
- 634.52 Spon abort w shock-comp
- 634.60 Spon abort w embol-unsp
- 634.61 Spon abort w embol-inc
- 634.62 Spon abort w embol-comp
- 634.70 Spon ab w compl NEC-unsp
- 634.71 Spon ab w compl NEC-inc
- 634.72 Spon ab w compl NEC-comp
- 634.80 Spon ab w compl NOS-unsp
- 634.81 Spon ab w compl NOS-inc
- 634.82 Spon ab w compl NOS-comp
- 634.90 Spon abort uncompl-unsp
- 634.91 Spon abort uncompl-inc
- 634.92 Spon abort uncompl-comp
Questions About This Page
Are the 634.00-634.92 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 634.00-634.92 block classify?
The block classified 634 spontaneous abortion 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.
