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ICD 10 Code 09NT4ZZ

Release Left Frontal Sinus, Percutaneous Endoscopic Approach

09NT4ZZ is a valid billable ICD-10 procedure code for Release Left Frontal Sinus, Percutaneous Endoscopic Approach. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

Release involves:
Freeing a body part from an abnormal physical constraint by cutting or by the use of force. Some of the restraining tissue may be taken out but none of the body part is taken out

Percutaneous Endoscopic approach involves:
Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure

Release includes:

  • Adhesiolysis, carpal tunnel release
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 03 Diseases & Disorders of the Ear, Nose, Mouth & Throat
    Sinus and Mastoid Procedures
    • DRG 135 - SINUS AND MASTOID PROCEDURES WITH CC/MCC
    • DRG 136 - SINUS AND MASTOID PROCEDURES WITHOUT CC/MCC

ICD-10-PCS code structure for 09NT4ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System 9 Ear, Nose, Sinus
3: Root Operation N Release
4: Body Part T Frontal Sinus, Left
5: Approach 4 Percutaneous Endoscopic
6: Device Z No Device
7: Qualifier Z No Qualifier

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Medical and Surgical terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.