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ICD 10 Code 0C9400Z

Drainage of Buccal Mucosa with Drainage Device, Open Approach
“Drainage of Buccal Mucosa with Drain Dev, Open Approach” for short

0C9400Z is a valid billable ICD-10 procedure code for Drainage of Buccal Mucosa with Drainage Device, 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.

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

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

Drainage includes:

  • Thoracentesis, incision and drainage

Buccal Mucosa body part includes:

  • Buccal gland
  • Molar gland
  • Palatine gland

Drainage Device device includes:

  • Cystostomy tube
  • Foley catheter
  • Percutaneous nephrostomy catheter
  • Thoracostomy tube
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 03 Diseases & Disorders of the Ear, Nose, Mouth & Throat
    Mouth Procedures
    • DRG 137 - MOUTH PROCEDURES WITH CC/MCC
    • DRG 138 - MOUTH PROCEDURES WITHOUT CC/MCC
  • 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

ICD-10-PCS code structure for 0C9400Z — See Table View

1: Section 0 Medical and Surgical
2: Body System C Mouth and Throat
3: Root Operation 9 Drainage
4: Body Part 4 Buccal Mucosa
5: Approach 0 Open
6: Device 0 Drainage 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.