Obstetric, Pregnancy - Ultrasound/Sonography - Codes and Scheduling Guidelines

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Exam Details - Ultrasound/Sonography
Codes, Description, Location Rules, Prep and Additional Rules 


Available at:
Bethesda, DC, Chevy Chase, Fairfax, and Sterling

Not Available at:
Germantown, Potomac or Arlington

See Below for further location rules. 


Exam CodeDescription - CPT CodeReason for ExamLocation and Scheduling RulesPrep and Additional Notes

Obstetric

Pregnancy Related Exams
SOBUObstetric under 13 weeks - 76801, 76817
Must be at least 5 weeks
PREP: Drink 16-24 oz of water 1 hour prior to exam and hold your bladder.
SONTObstetric Nuchal Translucency - 76801, 76817, 36416Down syndromeNOT AVAILABLE AT CHEVY CHASE OR DC K STREET
Must be between 11 weeks 6 days and 13 weeks 6 days
PREP: Drink 16-24 oz of water 1 hour prior to exam and hold your bladder.
This includes blood draw.
SOBO1Obstetric over 13 weeks - 76811, 76817
Must be over 13 weeks
CONFIRM: Does the script from the physician specify time frame for exam to be scheduled.
NOTE: KStreet - Do NOT schedule after 2:30 pm!
Multiples/Twins+: Do NOT schedule at K Street!
No Prep
SOBO2Obstetric over 13 weeks20 week anatomy scanMust be over 13 weeks
CONFIRM: Does the script from the physician specify time frame for exam to be scheduled.
NOTE: KStreet - Do NOT schedule after 2:30 pm!
Multiples/Twins+: Do NOT schedule at K Street!
No Prep
SOBBObstetric Bio-Physical - 76819, 93976, 76811
Must be 28+ weeks
Multiples/Twins+: Do NOT schedule at K Street!
NOTE: Also known as BPP Doppler
No Prep
SOBMObstetric Multiple - 76811, 76812
Multiples/Twins+: Do NOT schedule at K Street!

EDITED: 04/11/2025