A patient is admitted for a planned C-section at 39 weeks. Documentation in the medical record does not provide an indication for the procedure. The history and physical documents a normal pregnancy. Patient delivers a full-term infant and is discharged without problems on the second day after the procedure. What is the coding and/or sequencing for the diagnoses in this case?

A. O80
B. O80, Z37.0
C. O82
D. O82, Z37.0, Z3A.39