O11 Pre-existing hypertension with pre-eclampsia

Non-billable header with 6 child codes.

Includes

• conditions in O10 complicated by pre-eclampsia
• pre-eclampsia superimposed pre-existing hypertension

Use additional code

• code from O10 to identify the type of hypertension

Applies from O11 Pre-existing hypertension with pre-eclampsia

Includes

• conditions in O10 complicated by pre-eclampsia
• pre-eclampsia superimposed pre-existing hypertension

Use additional code

• code from O10 to identify the type of hypertension

Codes under O11

• O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
• O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
• O11.3 Pre-existing hypertension with pre-eclampsia, third trimester
• O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth
• O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium
• O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester

Code annotations containing back-references to O11

Back-references to O11

• Type 1 Excludes: I10 Essential (primary) hypertension ("hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)")
• Type 2 Excludes: O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium ("pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)")
• Type 1 Excludes: O14 Pre-eclampsia ("pre-existing hypertension with pre-eclampsia (O11)")
• Type 2 Excludes: O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("hypertensive disorders (O10-O16)")

Back-references to O11

• Type 1 Excludes: I10 Essential (primary) hypertension ("hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)")
• Type 2 Excludes: O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium ("pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)")
• Type 1 Excludes: O14 Pre-eclampsia ("pre-existing hypertension with pre-eclampsia (O11)")
• Type 2 Excludes: O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("hypertensive disorders (O10-O16)")

Nearby codes

• O11 Pre-existing hypertension with pre-eclampsia (this code)
• O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
• O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
• O11.3 Pre-existing hypertension with pre-eclampsia, third trimester
• O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth
• O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium