CPT 21073Surgery

Mnpj of tmj w/anesth

CPT code 21073 covers manipulation of the temporomandibular joint (jaw joint) performed while the patient is under anesthesia. This procedure involves manually adjusting the jaw joint to improve movement and relieve dysfunction.

Showing rates for

National Average

Base Medicare rate

$396.89

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

3.45

PE RVU (NF)

8.46

MP RVU

0.36

Total RVU

12.27

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Verify place of service coding carefully: POS 22 (outpatient hospital) triggers facility rate ($241.95) while POS 11 (office) with proper setup can justify non-facility rate ($396.89)
Impact: Correct POS designation can yield $154.94 (64%) higher reimbursement when non-facility criteria are met
Document the medical necessity for anesthesia explicitly, including failed attempts at office manipulation without anesthesia, severity of trismus, or patient factors requiring sedation
Impact: Prevents downcoding to 21073's predecessor or denial for lack of medical necessity; protects full $396.89/$241.95 payment
Bill bilateral procedures with modifier 50 rather than two line items with LT/RT when both TMJs are manipulated, as most payers follow 150% bilateral payment rules
Impact: Ensures proper bilateral payment of approximately $595.34 (non-facility) versus risk of second side being denied or reduced
Coordinate anesthesia billing separately; the anesthesia provider bills independently using anesthesia CPT codes, not included in 21073 surgical fee
Impact: Prevents bundling confusion and ensures both surgeon and anesthesiologist receive appropriate separate reimbursement
When performed with arthrocentesis (20605) or trigger point injections, append modifier 59 to 21073 if both are medically necessary and documented as distinct services
Impact: Prevents automatic NCCI bundling denial; may preserve additional $100-200 in reimbursement for separate procedures
Submit operative report with claim for procedures using modifier 22 or when bilateral work is performed, as these require manual review for proper adjudication

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 21073 in 2025?

Medicare pays $396.89 for CPT 21073 in non-facility settings and $241.95 in facility settings based on the 2025 Physician Fee Schedule. The total RVU is 12.27 with a work RVU of 3.45, multiplied by the 2025 conversion factor of $32.3465.

Can CPT 21073 be billed bilaterally for both TMJ joints?

Yes, CPT 21073 can be billed bilaterally using modifier 50 when manipulation is performed on both the left and right temporomandibular joints during the same session. Most payers reimburse bilateral procedures at 150% of the unilateral rate, requiring clear documentation of medical necessity for both sides.

What is the difference between CPT 21073 and office-based TMJ manipulation?

CPT 21073 specifically requires manipulation under anesthesia (general anesthesia, MAC, or conscious sedation), while office-based TMJ manipulation without anesthesia is coded differently. The anesthesia component justifies the higher reimbursement and allows for more aggressive manipulation when office techniques have failed.

Do I need to bill anesthesia separately when performing CPT 21073?

Yes, the anesthesia provider bills separately for anesthesia services using anesthesia CPT codes. The surgeon bills only CPT 21073 for the manipulation procedure itself. The surgical fee does not include anesthesia services, which are reimbursed independently based on anesthesia time and base units.

What documentation is required to support medical necessity for CPT 21073?

Required documentation includes evidence of failed conservative treatment (physical therapy, splints, NSAIDs), clinical measurements (maximum incisal opening, pain scores), documentation of why anesthesia is medically necessary, operative note describing manipulation technique and outcomes, and laterality specification. Lack of this documentation is the most common denial reason.

How many RVUs is CPT code 21073 worth in 2025?

CPT 21073 has a total RVU value of 12.27 in 2025, consisting of 3.45 work RVUs, 8.46 non-facility practice expense RVUs (3.67 facility PE RVUs), and 0.36 malpractice RVUs. These values are from the CMS Physician Fee Schedule RVU25A released December 23, 2024.

What modifiers are most commonly used with CPT 21073?

The most common modifiers for CPT 21073 are modifier 50 (bilateral procedure), LT/RT (left/right laterality indicators), modifier 22 (increased procedural services for complex cases), and modifier 59 (distinct procedural service when billed with other TMJ procedures). Modifier 50 typically increases reimbursement to 150% of the unilateral rate.