2026 ICD-10-PCS Procedure Code 099T70Z
Drainage of Left Frontal Sinus with Drainage Device, Via Natural or Artificial Opening
- ICD-10-PCS Code:
- 099T70Z
- ICD-10-PCS Code for:
- Drainage of Left Frontal Sinus with Drain Dev, Via Opening
- Is Billable?
- Yes - Valid for Submission
- Code Navigator:
099T70Z is a billable procedure code used to specify the performance of drainage of left frontal sinus with drainage device, via natural or artificial opening. The code is valid for the year 2026 for the submission of HIPAA-covered transactions. The procedure code involves taking or letting out fluids and/or gases from a body part. Procedure code explanation: the qualifier diagnostic is used to identify drainage procedures that are biopsies thoracentesis, incision and drainage
099T70Z PCS Table
In an PCS table each code is represented by up seven alphanumeric characters, with each character in the table respresenting different aspects of the procedure. In the table provided below, each row represents an individual character and includes information about the character's position, designation, label, and procedure notes. For this PCS table the procedure code is in the medical and surgical section and is part of the ear, nose, sinus body system, classified under drainage operation. The applicable bodypart for this procedure code is frontal sinus, left.
| Position | Designation | Character | Label | Procedures Notes |
|---|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical | |
| 2 | Body System | 9 | Ear, Nose, Sinus | |
| 3 | Operation | 9 | Drainage | Involves: Explanation:
|
| 4 | BodyPart | T | Frontal Sinus, Left | |
| 5 | Approach | 7 | Via Natural or Artificial Opening | Involves: |
| 6 | Device | 0 | Drainage Device | Includes:
|
| 7 | Qualifier | Z | No Qualifier | Explanation: |
Replacement Code
099T70Z replaces the following previously assigned ICD-10-PCS code(s):
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approach
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approach
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approach
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approach
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approach
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approac
- 099T30Z - Drainage of Left Frontal Sinus with Drain Dev, Perc Approac
Convert to ICD-9-PCS
Below are the ICD-9=PCS code(s) that most closely match this ICD-10-PCS code, based on the General Equivalence Mappings (GEMs). This ICD-10-PCS to ICD-9-PCS crosswalk tool is helpful for coders who need to reference legacy diagnosis codes for audits, historical claims, or approximate code comparisons.
ICD-9-PCS Code
Code: 2201
Approximate Flag: This is an approximate match. The ICD-9-PCS code reflects a close but not exact equivalent of the ICD-10-PCS procedure.
Other ICD-10-PCS Codes Used for Drainage Frontal Sinus, Left
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. The 2026 ICD-10-PCS codes are to be used for discharges occurring from October 1, 2025 through September 30, 2026.
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.
