ICD-9-CM 642.73 converts approximately to:
- 2013 ICD-10-CM O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
Or:
- 2013 ICD-10-CM O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
Or:
- 2013 ICD-10-CM O11.3 Pre-existing hypertension with pre-eclampsia, third trimester