Advanced Search

Radiology Coding Alert

Reader Questions:

TMJ Arthrography Merits 70332

Published on Wed Oct 13, 2010

Question: What are the differences among TMJ codes 70328, 70330 and 70332?Rhode Island SubscriberAnswer: Codes 70328 (Radiologic examination, temporomandibular joint, open and closed mouth; unilateral) and 70330 (... bilateral) both describe x-rays of the temporomandibular joint (TMJ).If the documentation indicates a TMJ x-ray in two projections of one side, one film with the mouth open and one with the mouth closed, you should report 70328 (unilateral). Report bilateral code 70330 if the documentation shows this TMJ exam on both sides.Note: Having separate codes for unilateral and bilateral TMJ x-rays distinguishes these services from 70336 (Magnetic resonance [e.g., proton] imaging, temporomandibular joint[s]). The term "joint[s]" in the MRI descriptor indicates that you should use this code for unilateral or bilateral services.The radiologist must provide general supervision for Medicare patients, meaning the physician must provide direction and control during the procedure.Arthrography: For 70332 (Temporomandibular joint arthrography, radiological supervision and interpretation), the radiologist [...]
You’ve reached your limit of free articles. Already a subscriber? Log in.
Not a subscriber? Subscribe today to continue reading this article. Plus, you’ll get:
  • Simple explanations of current healthcare regulations and payer programs
  • Real-world reporting scenarios solved by our expert coders
  • Industry news, such as MAC and RAC activities, the OIG Work Plan, and CERT reports
  • Instant access to every article ever published in your eNewsletter
  • 6 annual AAPC-approved CEUs*
  • The latest updates for CPT®, ICD-10-CM, HCPCS Level II, NCCI edits, modifiers, compliance, technology, practice management, and more
*CEUs available with select eNewsletters.

Other Articles in this issue of

Radiology Coding Alert

View All