Convert ICD-9-CM Diagnosis 642.21 to ICD-10-CM

ICD-9-CM 642.21 converts approximately to:
  • 2022 ICD-10-CM O10.111 Pre-existing hypertensive heart disease complicating pregnancy, first trimester
    or:
  • 2022 ICD-10-CM O10.112 Pre-existing hypertensive heart disease complicating pregnancy, second trimester
    or:
  • 2022 ICD-10-CM O10.113 Pre-existing hypertensive heart disease complicating pregnancy, third trimester
    or:
  • 2022 ICD-10-CM O10.12 Pre-existing hypertensive heart disease complicating childbirth
    or:
  • 2022 ICD-10-CM O10.211 Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester
    or:
  • 2022 ICD-10-CM O10.212 Pre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester
    or:
  • 2022 ICD-10-CM O10.213 Pre-existing hypertensive chronic kidney disease complicating pregnancy, third trimester
    or:
  • 2022 ICD-10-CM O10.22 Pre-existing hypertensive chronic kidney disease complicating childbirth
    or:
  • 2022 ICD-10-CM O10.311 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, first trimester
    or:
  • 2022 ICD-10-CM O10.312 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, second trimester
    or:
  • 2022 ICD-10-CM O10.313 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, third trimester
    or:
  • 2022 ICD-10-CM O10.32 Pre-existing hypertensive heart and chronic kidney disease complicating childbirth
    or:
  • 2022 ICD-10-CM O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
    or:
  • 2022 ICD-10-CM O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
    or:
  • 2022 ICD-10-CM O11.3 Pre-existing hypertension with pre-eclampsia, third trimester

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2022 ICD-10-CM CMS General Equivalence Mappings.