Convert ICD-9 Code 642.21 to ICD-10

Source ICD-9 Code Target ICD-10 Code
642.21
Old hyperten NEC-deliver
O10.111
Pre-exist hyp heart disease comp pregnancy, first trimester
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.
642.21
Old hyperten NEC-deliver
O10.112
Pre-exist hyp heart disease comp pregnancy, second trimester
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.
642.21
Old hyperten NEC-deliver
O10.113
Pre-exist hyp heart disease comp pregnancy, third trimester
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.
642.21
Old hyperten NEC-deliver
O10.12
Pre-existing hypertensive heart disease comp childbirth
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.
642.21
Old hyperten NEC-deliver
O10.211
Pre-exist hyp chronic kidney disease comp preg, first tri
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.
642.21
Old hyperten NEC-deliver
O10.212
Pre-exist hyp chronic kidney disease comp preg, second tri
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.
642.21
Old hyperten NEC-deliver
O10.213
Pre-exist hyp chronic kidney disease comp preg, third tri
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.
642.21
Old hyperten NEC-deliver
O10.22
Pre-existing hyp chronic kidney disease comp childbirth
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.
642.21
Old hyperten NEC-deliver
O10.311
Pre-exist hyp heart and chr kidney dis comp preg, first tri
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.
642.21
Old hyperten NEC-deliver
O10.312
Pre-exist hyp heart and chr kidney dis comp preg, second tri
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.
642.21
Old hyperten NEC-deliver
O10.313
Pre-exist hyp heart and chr kidney dis comp preg, third tri
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.
642.21
Old hyperten NEC-deliver
O10.32
Pre-exist hyp heart and chronic kidney disease comp chldbrth
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.
642.21
Old hyperten NEC-deliver
O11.1
Pre-existing hypertension w pre-eclampsia, first trimester
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.
642.21
Old hyperten NEC-deliver
O11.2
Pre-existing hypertension w pre-eclampsia, second trimester
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.
642.21
Old hyperten NEC-deliver
O11.3
Pre-existing hypertension w pre-eclampsia, third trimester
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-9 to ICD-10 crosswalk for code 642.21 - other pre-existing hypertension, complicating pregnancy, childbirth, and the puerperium, delivered, with or without mention of antepartum condition based on the most recent General Equivalence Mappings (GEMS) information.