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ICD 10 Code 079M4ZZ

Drainage of Thymus, Percutaneous Endoscopic Approach

079M4ZZ is a valid billable ICD-10 procedure code for Drainage of Thymus, 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.

Drainage involves:
Taking or letting out fluids and/or gases from a body part. The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

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

Drainage includes:

  • Thoracentesis, incision and drainage

Thymus body part includes:

  • Thymus gland
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 01 Diseases & Disorders of the Nervous System
    Peripheral and Cranial Nerve and Other Nervous System Procedures
    • DRG 040 - PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITH MCC
    • DRG 041 - PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITH CC OR PERIPHERAL NEUROSTIMULATOR
    • DRG 042 - PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITHOUT CC/MCC
  • MDC 04 Diseases & Disorders of the Respiratory System
    Major Chest Procedures
    • DRG 163 - MAJOR CHEST PROCEDURES WITH MCC
    • DRG 164 - MAJOR CHEST PROCEDURES WITH CC
    • DRG 165 - MAJOR CHEST PROCEDURES WITHOUT CC/MCC
  • MDC 10 Endocrine, Nutritional & Metabolic Diseases & Disorders
    Other Endocrine, Nutritional and Metabolic Procedures
    • DRG 628 - OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH MCC
    • DRG 629 - OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH CC
    • DRG 630 - OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITHOUT CC/MCC
  • MDC 16 Diseases & Disorders of Blood, Blood Forming Organs, Immunologic Disorders
    Other O.R. Procedures of the Blood and Blood Forming Organs
    • DRG 802 - OTHER O.R. PROCEDURES OF THE BLOOD AND BLOOD FORMING ORGANS WITH MCC
    • DRG 803 - OTHER O.R. PROCEDURES OF THE BLOOD AND BLOOD FORMING ORGANS WITH CC
    • DRG 804 - OTHER O.R. PROCEDURES OF THE BLOOD AND BLOOD FORMING ORGANS WITHOUT CC/MCC
  • MDC 17 Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
    Lymphoma and Leukemia with Major Procedure
    • DRG 820 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH MCC
    • DRG 821 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH CC
    • DRG 822 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC
  • MDC 17 Myeloproliferative Diseases & Disorders, Poorly Differentiated Neoplasms
    Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major Procedure
    • DRG 826 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH MCC
    • DRG 827 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH CC
    • DRG 828 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE 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

ICD-10-PCS code structure for 079M4ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System 7 Lymphatic and Hemic Systems
3: Root Operation 9 Drainage
4: Body Part M Thymus
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.