`73723` Mri joint lwr extr w/o&w/dye

What 73723 is

CMS fee schedule short descriptor: Mri joint lwr extr w/o&w/dye.

Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.

Medicare payment for 73723 (CY2026)

	Work RVU	Practice expense RVU	Malpractice RVU	Total	Medicare rate
Non-facility (office)	2.10	9.17	0.15	11.42	$381.44
Facility (hospital, ASC)	2.10	9.17	0.15	11.42	$381.44

National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.

Adjust for a Medicare locality:

Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply.

Medically Unlikely Edit (MUE)

Medicare caps 73723 at 2 units per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Clinical: Data. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 73723? These codes are bundled into it

73723 is a Column 1 code in 23 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.

Column 2 code	Short description	Modifier indicator
`01922`	Anes n-invas img/radj ther	0 - no modifier bypass	Check pair
`0708T`	Id ca immntx prep & 1st njx	1 - modifier may bypass	Check pair
`0709T`	Id ca immntx each addl njx	1 - modifier may bypass	Check pair
`36000`	Place needle in vein	1 - modifier may bypass	Check pair
`36005`	Injection ext venography	1 - modifier may bypass	Check pair
`36011`	Place catheter in vein	1 - modifier may bypass	Check pair
`36406`	Vnpnxr<3yrs phy/qhp other vn	1 - modifier may bypass	Check pair
`36410`	Vnpnxr 3yr/> phy/qhp dx/ther	1 - modifier may bypass	Check pair
`36591`	Draw blood off venous device	0 - no modifier bypass	Check pair
`36592`	Collect blood from picc	0 - no modifier bypass	Check pair
`73721`	Mri jnt of lwr extre w/o dye	1 - modifier may bypass	Check pair
`73722`	Mri joint of lwr extr w/dye	1 - modifier may bypass	Check pair
`73725`	Mr ang lwr ext w or w/o dye	1 - modifier may bypass	Check pair
`96360`	Hydration iv infusion init	1 - modifier may bypass	Check pair
`96365`	Ther/proph/diag iv inf init	1 - modifier may bypass	Check pair
`96372`	Ther/proph/diag inj sc/im	1 - modifier may bypass	Check pair
`96374`	Ther/proph/diag inj iv push	1 - modifier may bypass	Check pair
`96375`	Tx/pro/dx inj new drug addon	1 - modifier may bypass	Check pair
`96376`	Tx/pro/dx inj same drug adon	1 - modifier may bypass	Check pair
`96377`	Applicaton on-body injector	1 - modifier may bypass	Check pair
`96523`	Irrig drug delivery device	0 - no modifier bypass	Check pair
`J1642`	Inj heparin sodium per 10 u	1 - modifier may bypass	Check pair
`J1644`	Inj heparin sodium per 1000u	1 - modifier may bypass	Check pair

73723 is bundled into these codes

73723 appears as a Column 2 code in 3 active edits. Reported with one of these Column 1 codes on the same date of service, 73723 is the code that denies.

Column 1 code	Short description	Modifier indicator
`0648T`	Quan mr tis wo mri 1orgn	1	Check pair
`20696`	App mltpln uni xtrnl fix 1st	1	Check pair
`20697`	App mltpln uni xtrnl fix xch	1	Check pair

Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.