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642 Hypertension complicating pregnancy, childbirth, and the puerperium
Requires fifth digit; valid digits are in [brackets] under each code. See beginning of section 640-649 for definitions. | |
 | 642.0 Benign essential hypertension complicating pregnancy, childbirth, and the puerperium
[0-4]
Hypertension:
benign essential specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium
chronic NOS specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium
essential specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium
pre-existing NOS specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium |
| 642.1 Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium
[0-4]
Hypertension secondary to renal disease, specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium |
| 642.2 Other pre-existing hypertension complicating pregnancy, childbirth, and the puerperium
[0-4]
Hypertensive:
heart and chronic kidney disease specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium
heart disease specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium
chronic kidney disease specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium
Malignant hypertension specified as complicating, or as a reason for obstetric care during pregnancy, childbirth, or the puerperium |
| 642.3 Transient hypertension of pregnancy
[0-4]
Gestational hypertension
Transient hypertension, so described, in pregnancy, childbirth, or the puerperium |
| 642.4 Mild or unspecified pre-eclampsia
[0-4]
Hypertension in pregnancy, childbirth, or the puerperium, not specified as pre-existing, with either albuminuria or edema, or both; mild or unspecified
Pre-eclampsia:
NOS
mild
Toxemia (pre-eclamptic):
NOS
mild
Excludes: albuminuria in pregnancy, without mention of hypertension (646.2)
edema in pregnancy, without mention of hypertension (646.1) |
| 642.5 Severe pre-eclampsia
[0-4]
Hypertension in pregnancy, childbirth, or the puerperium, not specified as pre-existing, with either albuminuria or edema, or both; specified as severe
Pre-eclampsia, severe
Toxemia (pre-eclamptic), severe |
| 642.6 Eclampsia
[0-4]
Toxemia:
eclamptic
with convulsions |
| 642.7 Pre-eclampsia or eclampsia superimposed on pre-existing hypertension
[0-4]
Conditions classifiable to 642.4-642.6, with conditions classifiable to 642.0-642.2 |
| 642.9 Unspecified hypertension complicating pregnancy, childbirth, or the puerperium
[0-4]
Hypertension NOS, without mention of albuminuria or edema, complicating pregnancy, childbirth, or the puerperium |