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ICD 10 Code 09N58ZZ

Release Right Middle Ear, Via Natural or Artificial Opening Endoscopic
“Release Right Middle Ear, Endo” for short

09N58ZZ is a valid billable ICD-10 procedure code for Release Right Middle Ear, Via Natural or Artificial Opening Endoscopic. 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

Via Natural or Artificial Opening Endoscopic approach involves:
Entry of instrumentation through a natural or artificial external opening to reach and visualize the site of the procedure

Release includes:

  • Adhesiolysis, carpal tunnel release

Middle Ear, Right body part includes:

  • Oval window
  • Tympanic cavity
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 99 Other
    Non-extensive Procedure Unrelated to Principal Diagnosis
    • DRG 987 - NON-EXTENSIVE O.R. PROCEDURE UNRELATED TO PRINCIPAL DIAGNOSIS WITH MCC
    • DRG 988 - NON-EXTENSIVE O.R. PROCEDURE UNRELATED TO PRINCIPAL DIAGNOSIS WITH CC
    • DRG 989 - NON-EXTENSIVE O.R. PROCEDURE UNRELATED TO PRINCIPAL DIAGNOSIS WITHOUT CC/MCC

ICD-10-PCS code structure for 09N58ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System 9 Ear, Nose, Sinus
3: Root Operation N Release
4: Body Part 5 Middle Ear, Right
5: Approach 8 Via Natural or Artificial Opening 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.