ICD-10 Coding for OB/GYN Flashcards
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Read the first 7 ICD-10 Coding for OB/GYN flashcards as text
A patient is 20 weeks pregnant and diagnosed with gestational hypertension without significant proteinuria. Which ICD-10-CM code is correct?
Answer: O13.2 – Gestational hypertension without significant proteinuria, second trimester
O13.2 is used for gestational (pregnancy-induced) hypertension without significant proteinuria occurring in the second trimester (14–27 weeks).
What is the correct ICD-10-CM code for pre-existing essential hypertension complicating pregnancy in the third trimester?
Answer: O10.013 – Pre-existing essential hypertension complicating pregnancy, third trimester
O10.013 represents pre-existing essential hypertension (subcategory O10.0) complicating pregnancy specifically in the third trimester.
In ICD-10-CM, when coding a complication affecting a specific fetus in a multiple gestation pregnancy, which character position identifies the fetus number?
Answer: 7th character
The 7th character in ICD-10-CM obstetric codes identifies the affected fetus in multiple gestation (0 = not applicable, 1–5 = individual fetuses, 9 = other fetus).
A patient has gestational diabetes mellitus during pregnancy that requires insulin for control. Which ICD-10-CM code applies?
Answer: O24.414 – Gestational diabetes mellitus in pregnancy, insulin controlled
O24.414 is the correct code for gestational diabetes mellitus in pregnancy that is controlled by insulin.
A patient at 28 weeks gestation develops severe preeclampsia. Which ICD-10-CM code is correct?
Answer: O14.13 – Severe pre-eclampsia, third trimester
28 weeks falls in the third trimester; severe preeclampsia uses subcategory O14.1, and the third-trimester designation yields O14.13.
Eclampsia occurring during the postpartum (puerperal) period is coded as:
Answer: O15.2 – Eclampsia in the puerperium
O15.2 specifically identifies eclampsia occurring in the puerperium (postpartum period), distinct from eclampsia in pregnancy or labor.
According to ICD-10-CM guidelines, a code from category Z3A (Weeks of gestation) should be assigned:
Answer: As an additional code whenever applicable to provide the specific gestational age
Z3A codes are always secondary/additional codes used to specify the number of completed weeks of gestation; they are never sequenced as principal diagnosis.