Convert ICD-10 Code O42.90 to ICD-9

Source ICD-10 Code Target ICD-9 Code
O42.90
Prem ROM, 7th0 betw rupt & onst labr, unsp weeks of gest
658.10
Prem rupt membran-unspec
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code O42.90 - premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation based on the most recent General Equivalence Mappings (GEMS) information.