099N7ZXBillable procedure code
Drainage of Nasopharynx, Via Natural or Artificial Opening, Diagnostic
Medical and Surgical·Ear, Nose, Sinus·Table 099·FY 2027
In ICD-10-PCS, code 099N7ZX describes Drainage of Nasopharynx, Via Natural or Artificial Opening, Diagnostic. This procedure is listed in table 099, part of Section 0 (Medical and Surgical). Its root operation is Drainage. The approach used is Via Natural or Artificial Opening.
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What the code means
Drainage: root operation
Taking or letting out fluids and/or gases from a body part
The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies
Includes: Thoracentesis, incision and drainage
Via Natural or Artificial Opening: approach
Entry of instrumentation through a natural or artificial external opening to reach the site of the procedure
Nearby codes in table 099
Diagnosis codes mentioning “drainage”
- H04.22 Epiphora due to insufficient drainage
- H04.223 Epiphora due to insufficient drainage, bilateral
- Z98.2 Presence of cerebrospinal fluid drainage device
- H04.221 Epiphora due to insufficient drainage, right side
- H04.222 Epiphora due to insufficient drainage, left side