Release Right Mastoid Sinus, Via Natural or Artificial Opening Endoscopic
Medical and Surgical·Ear, Nose, Sinus·Table 09N·FY 2027
In ICD-10-PCS, code 09NB8ZZ describes Release Right Mastoid Sinus, Via Natural or Artificial Opening Endoscopic. This procedure is listed in table 09N, part of Section 0 (Medical and Surgical). Its root operation is Release. The approach used is Via Natural or Artificial Opening Endoscopic.
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What the code means
Release: root operation
Freeing a body part from an abnormal physical constraint by cutting or by the use of force
Some of the restraining tissue may be taken out but none of the body part is taken out
Includes: Adhesiolysis, carpal tunnel release
Via Natural or Artificial Opening Endoscopic: approach
Entry of instrumentation through a natural or artificial external opening to reach and visualize the site of the procedure