C8921 HCPCS Level II code: Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; complete
C8921 is the HCPCS code for “Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; complete” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
C8921Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; complete
Short description: Tte w or w/o fol w/cont, com
HCPCS · United States
Medicare details
The indicators CMS publishes with C8921 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Statute
- Type of service
- Diagnostic radiology
- BETOS category
- Echography/ultrasonography - heart
- Coverage statute
- 1833(t)(2)
- Added
- Jan 1, 2008
Where C8921 sits
- 1C codesOutpatient prospective payment system
- 2Active code C8921Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; complete
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code C8921 mean?
C8921 is the HCPCS code for “Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; complete” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover C8921?
CMS lists C8921’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Statute”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside C8921
All C codesC8912Magnetic resonance angiography with contrast, lower extremityC8913Magnetic resonance angiography without contrast, lower extremityC8914Magnetic resonance angiography without contrast followed by with contrast, lower extremityC8918Magnetic resonance angiography with contrast, pelvisC8919Magnetic resonance angiography without contrast, pelvisC8920Magnetic resonance angiography without contrast followed by with contrast, pelvisC8922Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; follow-up or limited studyC8923Transthoracic echocardiography with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed…C8924Transthoracic echocardiography with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed…C8925Transesophageal echocardiography (tee) with contrast, or without contrast followed by with contrast, real time with image documentation (2d) (with or without m-mode recording)…C8926Transesophageal echocardiography (tee) with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; including probe placement, image…C8927Transesophageal echocardiography (tee) with contrast, or without contrast followed by with contrast, for monitoring purposes, including probe placement, real time 2-dimensional…