099400ZDrainage of Left External Auditory Canal with Drainage Device, Open Approach
- Billable / Specific Code
099400Z is a billable ICD-10-PCS procedure code for Drainage of Left External Auditory Canal with Drainage Device, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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 | 4 | External Auditory Canal, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 099400Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 099400Z
Is 099400Z a billable code?
Yes. 099400Z is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Left External Auditory Canal with Drainage Device, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 099400Z mean?
099400Z 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 4 is the BodyPart (External Auditory Canal, Left); the 5th character 0 is the Approach (Open); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 099400Z?
Under the General Equivalence Mappings, Drainage of Left External Auditory Canal with Drainage Device, Open Approach crosswalks to ICD-9-PCS 18.02. The mapping is approximate, so confirm it fits the documentation.
