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    OpenPayerBilling CodesMalignant neoplasms of urinary tractICD-10-CM c68-malignant-neoplasm-urinary-organs
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    ICD-10-CM Code For Malignant Neoplasm Of Other And Unspecified Urinary Organs: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group C68 includes malignant neoplasms of urinary organs not elsewhere classified or unspecified, such as cancers of the ureter and other urinary structures outside the kidney and bladder. These ICD-10-CM diagnosis codes are used to document primary malignant tumors of lesser-specified urinary sites, capturing disease location and extent when more specific site codes are not applicable. Accurate coding within the ICD-10-CM C68 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM C68: Malignant Neoplasm Of Other And Unspecified Urinary Organs Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM C68) group covers malignant tumors arising in urinary organs not elsewhere classified or not specified, including parts of the urinary tract such as the ureter and other urinary structures. These diagnoses represent cancers of the urinary system outside the kidney and bladder, and accurate coding ensures the clinical picture of site and extent is clear. Precise documentation supports appropriate claim processing and reimbursement by reflecting the specific tumor location and clinical complexity.

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    When to Use

    Use a code from this group when a documented malignant tumor originates in a urinary organ that is not the kidney or bladder and no more specific site code is appropriate. These codes are also applied when the clinical record identifies a malignant urinary neoplasm but the exact anatomic site within the urinary system is unspecified.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    C68.0Malignant neoplasm of urethra
    C68.1Malignant neoplasm of paraurethral glands
    C68.8Malignant neoplasm of overlapping sites of urinary organs
    C68.9Malignant neoplasm of urinary organ, unspecified

    DRG Codes

    6 rows

    DRG CodeDescription
    656Kidney and Ureter Procedures for Neoplasm with MCC
    657Kidney and Ureter Procedures for Neoplasm with CC
    658Kidney and Ureter Procedures for Neoplasm without CC/MCC
    686Kidney and Urinary Tract Neoplasms with MCC
    687Kidney and Urinary Tract Neoplasms with CC
    688Kidney and Urinary Tract Neoplasms without CC/MCC

    Typical Clinical Scenarios

    • An older adult presents to the emergency department with sudden onset gross hematuria, flank pain, and a palpable pelvic mass on examination; imaging (CT urogram) reveals a tumor centered in the pelvic portion of the ureter invading adjacent pelvic soft tissues, and biopsy confirms urothelial carcinoma. The acute presentation with local invasion prompts assignment of a code from this group to capture a malignant neoplasm located in a specific urinary organ other than the kidney or bladder. Typical codes: C68.1
    • A middle-aged patient with a history of progressive lower urinary tract symptoms and intermittent painless hematuria undergoes cystoscopy that identifies a malignant lesion involving the urethra; pathology confirms squamous cell carcinoma confined to the urethra without distant metastasis. This chronic, site-specific neoplasm of the lower urinary tract is coded using an appropriate code from this group to reflect the primary malignant site. Typical codes: C68.0
    • A patient with known metastatic pelvic cancer develops obstructive uropathy and recurrent urinary tract infections due to a previously documented malignant lesion of an unspecified urinary organ when the original primary site cannot be definitively localized on imaging or pathology. In situations where documentation does not specify the exact urinary organ involved, a non-specific code from this group is used to represent the malignant neoplasm contributing to complications. Typical codes: C68.9, C68.8

    Related Codes

    C64-MALIGNANT-NEOPLASM-OF-KIDNEY

    ICD-10-CM Code For Malignant Neoplasm Of Kidney Except Renal Pelvis: Group Overview

    C65-MALIGNANT-NEOPLASM-OF-RENAL-PELVIS

    ICD-10-CM Code For Malignant Neoplasm Of Renal Pelvis: Group Overview

    C66-MALIGNANT-NEOPLASM-OF-URETER

    ICD-10-CM Code For Malignant Neoplasm Of Ureter: Group Overview

    C67-MALIGNANT-NEOPLASM-OF-BLADDER

    ICD-10-CM Code For Malignant Neoplasm Of Bladder: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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