Convert ICD-10 Code O42.911 to ICD-9

Source ICD-10 Code Target ICD-9 Code
O42.911
Pretrm prem ROM, unsp time betw rupt and onset labr, 1st tri
658.11
Prem rupt membran-deliv
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.
O42.911
Pretrm prem ROM, unsp time betw rupt and onset labr, 1st tri
658.13
Prem rupt memb-antepart
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 O42.911 - preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester based on the most recent General Equivalence Mappings (GEMS) information.