O10.4 Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium

Non-billable header with 3 child codes.

Applicable to

• Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

Use additional code

• code from I15 to identify the type of secondary hypertension

Applies from O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

Includes

• pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium

Excludes2 (not included here)

• pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)

Codes under O10.4

• O10.41 Pre-existing secondary hypertension complicating pregnancy
• O10.42 Pre-existing secondary hypertension complicating childbirth
• O10.43 Pre-existing secondary hypertension complicating the puerperium

Code annotations containing back-references to O10.4

Back-references to O10

• Type 1 Excludes: I10 Essential (primary) hypertension ("hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)")
• Use Additional: O11 Pre-existing hypertension with pre-eclampsia ("code from O10 to identify the type of hypertension")
• Type 2 Excludes: O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("hypertensive disorders (O10-O16)")

Nearby codes

• O10.312 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, second trimester
• O10.313 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, third trimester
• O10.319 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, unspecified trimester
• O10.32 Pre-existing hypertensive heart and chronic kidney disease complicating childbirth
• O10.33 Pre-existing hypertensive heart and chronic kidney disease complicating the puerperium
• O10.4 Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium (this code)
• O10.41 Pre-existing secondary hypertension complicating pregnancy
• O10.411 Pre-existing secondary hypertension complicating pregnancy, first trimester
• O10.412 Pre-existing secondary hypertension complicating pregnancy, second trimester
• O10.413 Pre-existing secondary hypertension complicating pregnancy, third trimester
• O10.419 Pre-existing secondary hypertension complicating pregnancy, unspecified trimester