099N80ZDrainage of Nasopharynx with Drainage Device, Via Natural or Artificial Opening Endoscopic
- Billable / Specific Code
099N80Z is a billable ICD-10-PCS procedure code for Drainage of Nasopharynx with Drainage Device, Via Natural or Artificial Opening Endoscopic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a body part.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 9 | Ear, Nose, Sinus |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | N | Nasopharynx |
| 5 | Approach | 8 | Via Natural or Artificial Opening Endoscopic |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 099N80Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 099N80Z
Is 099N80Z a billable code?
Yes. 099N80Z is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Nasopharynx with Drainage Device, Via Natural or Artificial Opening Endoscopic on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 099N80Z mean?
099N80Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 9 is the Body System (Ear, Nose, Sinus); the 3rd character 9 is the Operation (Drainage); the 4th character N is the BodyPart (Nasopharynx); the 5th character 8 is the Approach (Via Natural or Artificial Opening Endoscopic); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 099N80Z group to?
On an inpatient stay, Drainage of Nasopharynx with Drainage Device, Via Natural or Artificial Opening Endoscopic maps to MS-DRGs 143, 144, 145, 907, 908, 909, 957, 958, 959, with relative weights from 1.2023 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 099N80Z?
Under the General Equivalence Mappings, Drainage of Nasopharynx with Drainage Device, Via Natural or Artificial Opening Endoscopic crosswalks to ICD-9-PCS 29.0. The mapping is approximate, so confirm it fits the documentation.
