637 Unspecified abortion (637.00-637.92) ICD-9-CM
The 637.00-637.92 block classified 637 unspecified 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 637.00-637.92 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.
- 637.00 Abort NOS w pel inf-unsp
- 637.01 Abort NOS w pel inf-inc
- 637.02 Abort NOS w pel inf-comp
- 637.10 Abort NOS w hemorr-unsp
- 637.11 Abort NOS w hemorr-inc
- 637.12 Abort NOS w hemorr-comp
- 637.20 Ab NOS w pelv damag-unsp
- 637.21 Ab NOS w pelv damag-inc
- 637.22 Ab NOS w pelv damag-comp
- 637.30 Ab NOS w renal fail-unsp
- 637.31 Ab NOS w renal fail-inc
- 637.32 Ab NOS w renal fail-comp
- 637.40 Ab NOS w metab dis-unsp
- 637.41 Ab NOS w metab dis-inc
- 637.42 Ab NOS w metab dis-comp
- 637.50 Abort NOS w shock-unsp
- 637.51 Abort NOS w shock-inc
- 637.52 Abort NOS w shock-comp
- 637.60 Ab NOS w embolism-unsp
- 637.61 Ab NOS w embolism-inc
- 637.62 Ab NOS w embolism-comp
- 637.70 Ab NOS w compl NEC-unsp
- 637.71 Ab NOS w compl NEC-inc
- 637.72 Ab NOS w compl NEC-comp
- 637.80 Ab NOS w compl NOS-unsp
- 637.81 Ab NOS w compl NOS-inc
- 637.82 Ab NOS w compl NOS-comp
- 637.90 Ab NOS uncomplicat-unsp
- 637.91 Ab NOS uncomplicat-inc
- 637.92 Ab NOS uncomplicat-comp
Questions About This Page
Are the 637.00-637.92 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 637.00-637.92 block classify?
The block classified 637 unspecified 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.
