ICD-10-PCS › 0 Medical and Surgical › 09 Ear, Nose, Sinus › 099 Ear, Nose, Sinus, Drainage › 09940ZZ

09940ZZ

Drainage of Left External Auditory Canal, Open Approach

ValidICD-10-PCS procedure code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2014 Added to the draft code set draft Drainage of Left External Auditory Canal, Open Approach

What this code says

Each character is read in its own position, so the same letter means different things in different places. Definitions are CMS's own.

3. Root operation Drainage

Taking or letting out fluids and/or gases from a body part

The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

For example

  • Thoracentesis, incision and drainage

4. Body Part External Auditory Canal, Left

Also covers

  • External auditory meatus

5. Approach Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

Codes in the same group

CodeDescriptionStatus
099000Z Drainage of Right External Ear with Drainage Device, Open Approach Valid
09900ZX Drainage of Right External Ear, Open Approach, Diagnostic Valid
09900ZZ Drainage of Right External Ear, Open Approach Valid
099030Z Drainage of Right External Ear with Drainage Device, Percutaneous Approach Valid
09903ZX Drainage of Right External Ear, Percutaneous Approach, Diagnostic Valid
09903ZZ Drainage of Right External Ear, Percutaneous Approach Valid
099040Z Drainage of Right External Ear with Drainage Device, Percutaneous Endoscopic Approach Valid
09904ZX Drainage of Right External Ear, Percutaneous Endoscopic Approach, Diagnostic Valid
09904ZZ Drainage of Right External Ear, Percutaneous Endoscopic Approach Valid
0990X0Z Drainage of Right External Ear with Drainage Device, External Approach Valid
0990XZX Drainage of Right External Ear, External Approach, Diagnostic Valid
0990XZZ Drainage of Right External Ear, External Approach Valid