099670ZDrainage of Left Middle Ear with Drainage Device, Via Natural or Artificial Opening
- Billable / Specific Code
099670Z is a billable ICD-10-PCS procedure code for Drainage of Left Middle Ear with Drainage Device, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 143, 144, 145. The root operation Drainage involves taking or letting out fluids and/or gases from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Myringotomy.
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 | 6 | Middle Ear, Left |
| 5 | Approach | 7 | Via Natural or Artificial Opening |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code drainage of the left middle ear, open the FY 2027 ICD-10-PCS Alphabetic Index at Drainage, then the subterms Ear, Middle, Left. The index leads to table 099, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 099670Z.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Code History
- 099600Z — Drainage of Left Middle Ear with Drain Dev, Open Approach
Similar Procedure Codes
Questions About 099670Z
Is 099670Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Left Middle Ear with Drainage Device, Via Natural or Artificial Opening on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 099670Z mean?
The code 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 6 is the BodyPart (Middle Ear, Left); 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 099670Z group to?
On an inpatient stay, Drainage of Left Middle Ear with Drainage Device, Via Natural or Artificial Opening maps to MS-DRGs 143, 144, 145, with relative weights from 1.2335 to 3.8500. The MS-DRG sets the fixed Medicare payment for the stay.
