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ICD 10 Code 0CU4X7Z

Supplement Buccal Mucosa with Autologous Tissue Substitute, External Approach
“Supplement Buccal Mucosa with Autol Sub, Extern Approach” for short

0CU4X7Z is a valid billable ICD-10 procedure code for Supplement Buccal Mucosa with Autologous Tissue Substitute, External 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.

Supplement involves:
Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part. The biological material is non-living, or is living and from the same individual. The body part may have been previously replaced, and the Supplement procedure is performed to physically reinforce and/or augment the function of the replaced body part

External approach involves:
Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane

Supplement includes:

  • Herniorrhaphy using mesh, mitral valve ring annuloplasty, put a new acetabular liner in a previous hip replacement

Buccal Mucosa body part includes:

  • Buccal gland
  • Molar gland
  • Palatine gland

Autologous Tissue Substitute device includes:

  • Autograft
  • Cultured epidermal cell autograft
  • Epicel(R) cultured epidermal autograft
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
  • 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 0CU4X7Z — See Table View

1: Section 0 Medical and Surgical
2: Body System C Mouth and Throat
3: Root Operation U Supplement
4: Body Part 4 Buccal Mucosa
5: Approach X External
6: Device 7 Autologous Tissue Substitute
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.