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ICD 10 Code 09T00ZZ

Resection of Right External Ear, Open Approach

09T00ZZ is a valid billable ICD-10 procedure code for Resection of Right External Ear, Open 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.

Resection involves:
Cutting out or off, without replacement, all of a body part.

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

Resection includes:

  • Total nephrectomy, total lobectomy of lung

External Ear, Right body part includes:

  • Antihelix
  • Antitragus
  • Auricle
  • Earlobe
  • Helix
  • Pinna
  • Tragus
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 09 Diseases & Disorders of the Skin, Subcutaneous Tissue & Breast
    Other Skin, Subcutaneous Tissue and Breast Procedures
    • DRG 579 - OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC
    • DRG 580 - OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC
    • DRG 581 - OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC
  • MDC 21 Injuries, Poisonings & Toxic Effects of Drugs
    Other O.R. Procedures for Injuries
    • DRG 907 - OTHER O.R. PROCEDURES FOR INJURIES WITH MCC
    • DRG 908 - OTHER O.R. PROCEDURES FOR INJURIES WITH CC
    • DRG 909 - OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC
  • MDC 24 Multiple Significant Trauma
    Other Procedures for Multiple Significant Trauma
    • DRG 957 - OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH MCC
    • DRG 958 - OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH CC
    • DRG 959 - OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC
  • 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 09T00ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System 9 Ear, Nose, Sinus
3: Root Operation T Resection
4: Body Part 0 External Ear, Right
5: Approach 0 Open
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.