Use 76827 for complete Doppler interrogation of the fetal heart: pulsed or continuous wave spectral Doppler assessment of cardiac flow, typically with color flow mapping. It is reported in addition to the structural fetal echo 76825 when both are performed, and its follow-up counterpart is 76828.
Report 76827 when the fetal cardiac evaluation includes a complete Doppler flow study: valve flow profiles, outflow tract velocities, and flow direction assessment across the heart. In practice it almost always rides with 76825 on the initial complete evaluation, since modern fetal echo protocols are Doppler-inclusive. It is not the code for Doppler of vessels outside the heart; umbilical artery flow is 76820 and middle cerebral artery flow is 76821. Bill 76827 only when the cardiac Doppler work is itself complete, not a single spot check of one valve.
Documentation checklist
The Doppler study needs its own documented substance beyond the structural echo it accompanies.
✓Qualifying cardiac indication shared with or extending the echo indication
✓Spectral Doppler interrogation of the inflow and outflow tracts recorded
✓Color flow mapping findings documented
✓Flow velocities and direction across valves noted, regurgitation characterized when present
✓Findings distinct from and additive to the structural echo report
✓Images and waveforms stored
✓Signed interpretation covering the Doppler assessment specifically
Global package rules
76827 is billed outside the global obstetric package and separately from 59400. It is separately reportable alongside 76825 for the initial complete evaluation; the follow-up pairing is 76826 plus 76828. It does not replace and is not replaced by the peripheral vessel Doppler codes 76820 and 76821, which can appear on the same claim when those vessels were also studied and documented. NCCI
TC-26 components
Split the components when interpretation and equipment ownership differ: 76827-26 for the professional read, 76827-TC for the technical side, matching the split used on the accompanying echo code.
76827
Global: one entity owns equipment and interpretation
76827-26
Professional: interpretation only
76827-TC
Technical: equipment and sonographer
Reimbursement
2026 · national Medicare averages
Component
Work RVU
Total RVU
2026 rate
76827Global
0.57
2.09
$69.81
76827-26Professional
0.57
0.82
$27.39
76827-TCTechnical
0.00
1.27
$42.42
National amounts under the 2026 Medicare Physician Fee Schedule (non-facility total RVU x $33.4009 conversion factor, no locality/MAC adjustment). Commercial and Medicaid rates differ. Verify current values with your MAC before billing.
Common denials
CO-97Bundled into the fetal echo
Why it happens
The payer collapsed the Doppler study into 76825 billed the same day.
How to fix
CPT structures these as separate codes for separate work. Appeal with the report showing a complete Doppler assessment beyond the structural survey.
Source: NCCI
CO-50No cardiac indication for Doppler interrogation
Why it happens
The claim lacked a diagnosis supporting a complete cardiac flow study.
How to fix
Carry the cardiac finding, suspected defect, or arrhythmia diagnosis from the echo indication onto the Doppler line.
Source: ACOG/SMFM
CO-23676827 and 76828 on the same date
Why it happens
The complete and follow-up Doppler echo codes were both reported for one session.
How to fix
Bill one: 76827 for the initial complete Doppler study, 76828 for a follow-up reassessment.
Source: NCCI
N290Rendering provider not credentialed
Why it happens
The payer restricts fetal cardiac imaging to MFM or pediatric cardiology and the rendering NPI did not qualify.
How to fix
Bill under the credentialed interpreting physician or refer the study to a qualifying program, per the payer's specialty policy.
Source: CMS
FAQ
What is the CPT code description for 76827?
In plain language, 76827 covers a complete Doppler study of the fetal heart: measuring blood flow through the cardiac valves and outflow tracts with spectral Doppler and color flow mapping, usually performed together with the structural fetal echocardiogram.
Is 76827 billed with 76825 or instead of it?
With it, when both the structural echo and a complete Doppler assessment are performed and documented. The two codes describe different work within the same evaluation.
What is the difference between 76827 and 76820 or 76821?
The vessel. 76827 is Doppler of the heart itself. 76820 is the umbilical artery and 76821 is the middle cerebral artery. Each is separately reportable when studied and documented.
When does 76828 apply instead?
For follow-up Doppler interrogation after an initial complete study, typically billed alongside the follow-up echo 76826 in serial cardiac surveillance.
Can 76827 be billed for a quick check of one valve?
No. The code describes a complete Doppler evaluation. A limited flow check does not support it, and repeated limited checks belong in the follow-up code with appropriate documentation.
Is 76827 part of the global OB package?
No. Fetal cardiac imaging is billed separately from 59400.
CPT® is a registered trademark of the American Medical Association. Educational reference only, not billing, legal, or medical advice.
Maintained by Ouma Health, a maternal-fetal telemedicine practice. Printed from obcodingguide.com, content current as of July 2026.