Use 76826 for a follow-up or repeat fetal echocardiogram that reassesses a heart already studied: tracking a known defect, re-evaluating an arrhythmia, or monitoring a finding across gestation. The first complete study is 76825; every reassessment after it belongs here. Follow-up Doppler interrogation is reported with 76828.
Report 76826 when the fetal heart is re-imaged after a complete echo is on file. Serial studies are routine in fetal cardiology: a ventricular septal defect being watched for progression, an arrhythmia being monitored on therapy, or a lesion being staged ahead of delivery planning. The study is focused on interval change rather than a full structural re-survey, which is why it carries lower RVUs than 76825. Billing a second complete echo for what is functionally surveillance is the frequent error on this family.
Documentation checklist
The follow-up study leans on the baseline. Reference it explicitly and document what changed.
✓Prior complete echo identified and referenced
✓The cardiac finding or rhythm under surveillance stated
✓Interval findings documented with comparison to baseline
✓Rhythm reassessed where arrhythmia is the indication
✓Management implications noted, such as delivery planning or therapy response
✓Images stored for the views obtained
✓Signed interpretation with comparison statement
✓Separate documentation when follow-up Doppler 76828 is also billed
Global package rules
76826 is billed outside the global obstetric package and separately from 59400. Serial follow-ups across gestation are expected in managed cardiac findings; each claim carries the cardiac diagnosis. When Doppler interrogation is repeated with the follow-up echo, bill 76828 alongside. For twins, report per fetus reassessed with modifier 59 on additional lines. NCCI
TC-26 components
Component billing mirrors the primary echo: modifier 26 for the interpreting specialist, TC for the facility. Serial follow-ups read remotely by a fetal cardiology program go out as repeated 76826-26 claims.
76826
Global: one entity owns equipment and interpretation
76826-26
Professional: interpretation only
76826-TC
Technical: equipment and sonographer
Reimbursement
2026 · national Medicare averages
Component
Work RVU
Total RVU
2026 rate
76826Global
0.81
4.74
$158.32
76826-26Professional
0.81
1.18
$39.41
76826-TCTechnical
0.00
3.56
$118.91
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-B15No baseline study on record
Why it happens
The payer could not find an initial complete echo to anchor the follow-up code.
How to fix
Reference the date and findings of the baseline 76825 in the report and on appeal. If the baseline was done elsewhere, obtain and cite it.
Source: CMS
CO-50No ongoing cardiac indication
Why it happens
The claim lacked a diagnosis showing what is being followed.
How to fix
Carry the specific cardiac finding or arrhythmia diagnosis on every follow-up claim, not a generic screening code.
Source: ACOG/SMFM
CO-151Follow-up frequency exceeded
Why it happens
Serial echoes crossed the payer's utilization screen.
How to fix
Appeal with the surveillance plan; arrhythmias on therapy and evolving lesions legitimately need frequent reassessment. Include the interval-change documentation.
Source: ACOG/SMFM
CO-23676826 and 76825 on the same date
Why it happens
Both the complete and follow-up echo codes were reported for one session.
How to fix
Bill one. A single session is either the complete study or a follow-up, never both.
Source: NCCI
FAQ
What is the CPT code description for 76826?
In plain language, 76826 covers a follow-up fetal echocardiogram: a repeat ultrasound study of the fetal heart performed to reassess a finding, defect, or rhythm problem identified on an earlier complete echo.
When do I use 76826 instead of 76825?
Once a complete echo exists, reassessments are 76826. Reserve 76825 for the initial complete study, or for a genuinely new complete evaluation with a documented reason.
Can I bill 76826 with 76828?
Yes. When the follow-up includes repeat Doppler interrogation of the heart, bill 76826 for the echo and 76828 for the Doppler component, each documented.
How often can follow-up echoes be billed?
As often as the cardiac finding requires, which for an arrhythmia on therapy can be weekly. Payers screen frequency, so document interval change and keep the diagnosis specific.
Does 76826 require the same specialist credentials as 76825?
Generally yes. Payers that restrict the initial echo to MFM or pediatric cardiology apply the same policy to follow-ups.
Is 76826 part of the global OB package?
No. Fetal echocardiography, initial and follow-up, 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.