C8904 — Magnetic resonance imaging without contrast, breast; unilateral
C8904 is a HCPCS Level II code for magnetic resonance imaging without contrast, breast; unilateral. It belongs to the Outpatient Prospective Payment System section. It was terminated on December 31, 2018 and is not valid on new claims.
This code has been terminated
CMS terminated C8904 on December 31, 2018. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for C8904
- Long descriptor
- Magnetic resonance imaging without contrast, breast; unilateral
- Short descriptor
- Mri w/o cont, breast, uni
- Added
- October 1, 2001
- Terminated
- December 31, 2018
- BETOS
- I2D
- Pricing indicator
- 53 — Other
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Statute.
Codes adjacent to C8904
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C8904 is not quite right, the correct code is very often within a few positions of it.
- C8011Open implantation of hypoglossal nerve(s) neurostimulator electrode array(s) and receiver, including external power source and all system components
- C8012Revision or replacement of hypoglossal nerve(s) neurostimulator electrode array(s) and receiver
- C8013Removal of hypoglossal nerve(s) neurostimulator electrode array(s) and receiver
- C8014Cystourethroscopy, with ureteroscopy and/or pyeloscopy, with lithotripsy, including use of a suction enabled ureteral access sheath, with irrigation (if performed)
- C8900Magnetic resonance angiography with contrast, abdomen
- C8901Magnetic resonance angiography without contrast, abdomen
- C8902Magnetic resonance angiography without contrast followed by with contrast, abdomen
- C8903Magnetic resonance imaging with contrast, breast; unilateral
- C8905Magnetic resonance imaging without contrast followed by with contrast, breast; unilateral
- C8906Magnetic resonance imaging with contrast, breast; bilateral
- C8907Magnetic resonance imaging without contrast, breast; bilateralterminated
- C8908Magnetic resonance imaging without contrast followed by with contrast, breast; bilateral
- C8909Magnetic resonance angiography with contrast, chest (excluding myocardium)
- C8910Magnetic resonance angiography without contrast, chest (excluding myocardium)
- C8911Magnetic resonance angiography without contrast followed by with contrast, chest (excluding myocardium)
- C8912Magnetic resonance angiography with contrast, lower extremity
Questions about C8904
What is HCPCS code C8904?
C8904 is a HCPCS Level II code for magnetic resonance imaging without contrast, breast; unilateral. It sits in the Outpatient Prospective Payment System section.
Does Medicare cover C8904?
The CMS HCPCS file marks C8904 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
Is C8904 still valid?
No. C8904 was terminated on December 31, 2018 and should not be used on new claims.