2022 ICD-10-PCS Procedure Code 099C8ZZ

Drainage of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic

Version 2021
Billable Code

Valid for Submission

ICD-10-PCS:099C8ZZ
Short Description:Drainage of Left Mastoid Sinus, Endo
Long Description:Drainage of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic

099C8ZZ is a billable procedure code used to specify the performance of drainage of left mastoid sinus, via natural or artificial opening endoscopic. The code is valid for the year 2022 for the submission of HIPAA-covered transactions.

The procedure code 099C8ZZ is in the medical and surgical section and is part of the ear, nose, sinus body system, classified under the drainage operation. The applicable bodypart is mastoid sinus, left.

Replacement Code

099C8ZZ replaces the following previously assigned ICD-10-PCS code(s):

ICD-10-PCS Details

Position Designation Character Label Notes
1 Section 0 Medical and Surgical
2 Body System 9 Ear, Nose, Sinus
3 Operation 9 Drainage

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

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

Includes:
  • Thoracentesis, incision and drainage
4 BodyPart C Mastoid Sinus, Left Includes:
  • Mastoid air cells
5 Approach 8 Via Natural or Artificial Opening Endoscopic

Involves:
Entry of instrumentation through a natural or artificial external opening to reach and visualize the site of the procedure

6 Device Z No Device

Explanation:
The value Z is used for the sixth character to indicate that a specific device does not apply to the procedure.

7 Qualifier Z No Qualifier

Explanation:
The value Z is used for the seventh character to indicate that a specific qualifier does not apply to the procedure.

Convert 099C8ZZ to ICD-9-PCS

The following crosswalk between ICD-10-PCS to ICD-9-PCS is based based on the General Equivalence Mappings (GEMS) information:

What is ICD-10-PCS?

The ICD-10 Procedure Coding System (ICD-10-PCS) is a catalog of procedural codes used by medical professionals for hospital inpatient healthcare settings. The Centers for Medicare and Medicaid Services (CMS) maintain the catalog in the U.S. releasing yearly updates. These 2022 ICD-10-PCS codes are to be used for discharges occurring from October 1, 2021 through September 30, 2022.

Each ICD-10-PCS code has a structure of seven alphanumeric characters and contains no decimals. The first character defines the major "section". Depending on the "section" the second through seventh characters mean different things.