Closed manual reduction of a temporomandibular joint dislocation, initial or subsequent encounter.

Verified May 8, 2026 · 8 sources ↓

Medicare: $172.01
Total RVUs: 5.15
Global, days: 0
Region: Other

Drawn from CMSMdclarityAAPCFindacodeBedrockbilling

Documentation requirements

What must appear in the operative or office note to support the claim.

Source · Editorial brief grounded in 8 cited references ↓

Confirm the diagnosis: document clinical findings consistent with TMJ dislocation (jaw locked open, preauricular pain, inability to close mouth)
Specify laterality — unilateral (left or right) or bilateral — in the procedure note
Document the reduction technique used and confirmation of successful relocation (restored occlusion, pain resolution, joint mobility)
Note whether local anesthesia was administered to facilitate the reduction and that it was integral to the procedure, not a separate injection service
Record initial vs. subsequent encounter status to support medical necessity if payer requests clinical history
Document any neurovascular assessment performed before and after reduction

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 24 Unrelated E/M during global 25 Significant separate E/M 50 Bilateral procedure 51 Multiple procedures 52 Reduced services 57 Decision for surgery 59 Distinct service 76 Repeat, same physician 77 Repeat, another physician 78 Unplanned return — related 79 Unrelated during global 80 Assistant surgeon AS PA/NP/CNS assistant LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 8 cited references ↓

CPT 21480 covers closed (non-surgical) manual reduction of a dislocated TMJ — the condyle has translated anterior to the articular eminence, locking the jaw open with significant pain. The provider uses manual pressure and patient positioning to guide the condyle back into the glenoid fossa without any incision. This code applies to both first-time and repeat reductions.

The global period is 000, meaning the standard 10-day or 90-day post-op bundle does not apply. A same-day E/M is separately billable with modifier 25 if it was a significant, separately identifiable service beyond the decision to reduce the joint. Because 000-global procedures carry no pre- or post-op period, modifier 24 is rarely needed here, but modifier 79 applies if an unrelated procedure is performed by the same physician on the same date.

For bilateral TMJ dislocation reduced at the same encounter, append modifier 50. Emergency department is the most common place of service, though office reductions occur. Local anesthetic injected solely to facilitate the reduction is not separately reportable per NCCI bundling principles.

RVU & reimbursement

Component RVUs and Medicare national rate. Actual payment varies by GPCI locality.

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	0.59
Practice expense RVU	4.43
Malpractice RVU	0.13
Total RVU	5.15
Medicare national rate	$172.01
Global period	0 days

Payment by site of service

Medicare pays different rates by setting. HOPD typically pays substantially more than ASC for the same procedure.

Source · CMS OPPS Addendum B·ASC HCPCS payment rates·2026

Setting	Medicare rate (national)
Office (PFS non-facility) Procedure performed in physician's office	$172.01
HOPD (APC 5111) Hospital outpatient department	$252.01
ASC (PI A2) Ambulatory surgical center (freestanding)	$135.54

Common denial reasons

The recurring reasons claims for CPT 21480 get rejected.

Source · Editorial brief grounded in CMS NCCI edits, AAOS coding appeals, and cited references ↓

Missing laterality documentation when modifier LT or RT is appended — payer cannot confirm side treated
Separate billing of local anesthetic injection alongside 21480; NCCI bundles anesthetic administration into the procedural code
E/M billed same-day without modifier 25, triggering a bundling denial when the E/M is not separately documented as distinct from the reduction visit
Modifier 50 applied without documentation confirming bilateral dislocation reduced at the same encounter
ICD-10 diagnosis code mismatch — using a sprain or subluxation code instead of a dislocation code (S03.0-) to support TMJ reduction

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 8 cited references ↓

01Can I bill 21480 for every subsequent TMJ reduction on the same patient?

Yes. The code description explicitly covers initial or subsequent reductions. Each encounter is billable. For recurrent dislocations requiring more complex management such as intermaxillary fixation or splinting, consider CPT 21485 (complicated closed treatment) instead.

02What modifier do I use for bilateral TMJ dislocation reduced at the same visit?

Append modifier 50 to 21480. Document bilateral dislocation explicitly in the note. Some payers require two line items (21480-LT and 21480-RT) rather than a single line with modifier 50 — check your payer's billing guidelines before submitting.

03Can I bill a separate E/M when I reduce a TMJ dislocation in the emergency department?

Yes, if the E/M represents a significant, separately identifiable service beyond the decision to perform the reduction. Append modifier 25 to the E/M code and document the distinct clinical decision-making in a separate note section. The 000 global period means there is no post-op window to worry about, but the same-day E/M bundling rule still applies.

04Is imaging guidance separately billable when performed during TMJ reduction?

Generally no. If fluoroscopy or other imaging is used solely to guide or confirm the closed reduction, NCCI principles treat it as integral to the procedure. Bill imaging separately only if it was performed for a distinct diagnostic purpose with its own documentation and clinical indication.

05When does 21480 escalate to 21485 or 21490?

Use 21485 when the closed reduction is complicated — for example, when intermaxillary fixation or splinting is required due to recurrence. Use 21490 when an open surgical approach is needed to reduce the dislocation. Do not upcode 21480 to 21485 based solely on difficulty of manipulation; document the specific complicating factor.

06Can a PA or NP bill 21480 independently?

It depends on state scope-of-practice law and payer credentialing. If the APP is assisting a physician, append modifier AS. If billing independently under their own NPI, confirm the payer recognizes APP-performed minor surgical procedures at the applicable site of service.

Sources & references

Editorial content was developed using the following public sources. Last verified May 8, 2026.

Mira AI Scribe

Mira's AI scribe captures laterality, reduction technique, pre- and post-reduction jaw mobility, confirmation of condylar relocation, and whether local anesthetic was used as part of the procedure. That documentation prevents the two most common denials here: missing laterality when a side modifier is billed, and payer challenges to same-day E/M claims that lack a distinct clinical note separate from the reduction itself.

See how Mira captures CPT 21480 documentation