09WH70ZRevision of Drainage Device in Right Ear, Via Natural or Artificial Opening
- Billable / Specific Code
09WH70Z is a billable ICD-10-PCS procedure code for Revision of Drainage Device in Right Ear, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 143, 144, 145. The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.
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 | W | Revision |
| 4 | BodyPart | H | Ear, Right |
| 5 | Approach | 7 | Via Natural or Artificial Opening |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 09WH70Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 09WH70Z
Is 09WH70Z a billable code?
Yes. 09WH70Z is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Drainage Device in Right Ear, Via Natural or Artificial Opening on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 09WH70Z mean?
09WH70Z 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 W is the Operation (Revision); the 4th character H is the BodyPart (Ear, Right); the 5th character 7 is the Approach (Via Natural or Artificial Opening); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 09WH70Z group to?
On an inpatient stay, Revision of Drainage Device in Right Ear, Via Natural or Artificial Opening maps to MS-DRGs 143, 144, 145, with relative weights from 1.2023 to 3.7466. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 09WH70Z?
Under the General Equivalence Mappings, Revision of Drainage Device in Right Ear, Via Natural or Artificial Opening crosswalks to ICD-9-PCS 20.99. The mapping is approximate, so confirm it fits the documentation.
