With 2 O codes like this scenario, I would sequence the reason for the visit first then the supervision.
ICD-10 guidelines state:
Episodes when no delivery occurs
In episodes when no delivery occurs, the principal diagnosis should
correspond to the principal complication of the pregnancy which
necessitated the encounter. Should more than one complication exist, all
of which are treated or monitored, any of the complication codes may be
sequenced first.
Codes from chapter 15 and sequencing priority
Obstetric cases require codes from chapter 15, codes in the range O00-
O9A, Pregnancy, Childbirth, and the Puerperium. Chapter 15 codes have
sequencing priority over codes from other chapters. Additional codes
from other chapters may be used in conjunction with chapter 15 codes to
further specify conditions.
Codes from category O09, Supervision of high-risk pregnancy, are
intended for use only during the prenatal period. For complications
during the labor or delivery episode as a result of a high-risk pregnancy,
assign the applicable complication codes from Chapter 15. If there are no
complications during the labor or delivery episode, assign code O80,
Encounter for full-term uncomplicated delivery.
15. Chapter 15: Pregnancy, Childbirth, and the Puerperium (O00-O9A) a. General Rules for Obstetric Cases 1) Codes from chapter 15 and sequencing priority Obstetric cases require codes from chapter 15, codes in the range O00- O9A, Pregnancy, Childbirth, and the Puerperium. Chapter 15 codes have...
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