This is for a consult, ultrasounds of fetus, and lab for maternal fetal medicine. Chief Complaint Obesity and history of bariatric surgery
Is this sequence correct? (read all I can in guidelines, ICD 10 code notes)

O99.841 Bariatric surgery status complicating pregnancy, first trimester
099.211 Obesity complicating pregnancy, first trimester
E66.01 Morbid (severe) obesity due excess calories
O99.011 Anemia complicating pregnancy, first trimester
D50.9 Iron deficiency anemia
O34.211 Maternal care low transverse scar previous C section
Z3A.12
Z68.41 BMI
Z36 Encounter antenatal screen mother
Z31.5 Encounter for genetic counseling
Z71.89 Other specified counseling

Thanks in advance