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    OpenPayerBilling CodesNeoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromesICD-10-CM d40-neoplasm-of-uncertain-behavior-male-genital
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    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Male Genital Organs: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group D40 includes neoplasms of male genital organs described as of uncertain behavior, covering tumors of the testis, epididymis, spermatic cord, and other male genital structures where pathology does not confirm benign or malignant status. These ICD-10-CM diagnosis codes are used to document clinical scenarios where tumor behavior is indeterminate, capturing diagnostic uncertainty, organ involvement, and the need for further evaluation or follow-up. Accurate coding within the ICD-10-CM D40 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM D40: Neoplasm Of Uncertain Behavior Of Male Genital Organs Overview

    This group represents neoplasms of male genital organs that are classified as of uncertain behavior, meaning pathological assessment has not confirmed benign or malignant status. It targets tumors arising in structures such as the testis, epididymis, spermatic cord, and other male genital tissues. Accurate coding matters for reimbursement because it correctly conveys diagnostic uncertainty and guides claim adjudication and clinical documentation.

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    When to Use

    Use a code from this group when a clinician documents a neoplasm of a male genital organ with pathology or clinical assessment indicating uncertain behavior rather than confirmed benign or malignant status. These codes apply when initial reports, biopsies, or imaging do not provide definitive characterization and follow-up or additional diagnostic procedures are planned.

    ICD-10-CM Codes

    6 rows

    ICD-10-CM CodeDescription
    D40.0Neoplasm of uncertain behavior of prostate
    D40.10Neoplasm of uncertain behavior of unspecified testis
    D40.11Neoplasm of uncertain behavior of right testis
    D40.12Neoplasm of uncertain behavior of left testis
    D40.8Neoplasm of uncertain behavior of other specified male genital organs
    D40.9Neoplasm of uncertain behavior of male genital organ, unspecified

    DRG Codes

    5 rows

    DRG CodeDescription
    715Other Male Reproductive System O.R. Procedures for Malignancy with CC/MCC
    716Other Male Reproductive System O.R. Procedures for Malignancy without CC/MCC
    722Malignancy, Male Reproductive System with MCC
    723Malignancy, Male Reproductive System with CC
    724Malignancy, Male Reproductive System without CC/MCC

    Related Codes

    D37-NEOPLASM-OF-UNCERTAIN-BEHAVIOR-ORAL-CAVITY-DIGESTIVE-ORGANS

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Oral Cavity And Digestive Organs: Group Overview

    D38-NEOPLASM-OF-UNCERTAIN-BEHAVIOR-MIDDLE-EAR-RESPIRATORY

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Middle Ear And Respiratory And Intrathoracic Organs: Group Overview

    D39-NEOPLASM-OF-UNCERTAIN-BEHAVIOR-FEMALE-GENITAL

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Female Genital Organs: Group Overview

    D41-NEOPLASM-OF-UNCERTAIN-BEHAVIOR-URINARY-ORGANS

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Urinary Organs: Group Overview

    D43-NEOPLASM-OF-UNCERTAIN-BEHAVIOR-BRAIN-CNS

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Brain And Central Nervous System: Group Overview

    D44-NEOPLASM-OF-UNCERTAIN-ENDOCRINE-BEHAVIOR

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Endocrine Glands: Group Overview

    D45-POLYCYTHEMIA-VERA

    ICD-10-CM Code For Polycythemia Vera: Group Overview

    D46-MYELODYSPLASTIC-SYNDROMES

    ICD-10-CM Code For Myelodysplastic Syndromes: Group Overview

    D47-OTHER-NEOPLASMS-UNCERTAIN-BEHAVIOR

    ICD-10-CM Code For Other Neoplasms Of Uncertain Behavior Of Lymphoid Hematopoietic And Related Tissue: Group Overview

    D48-NEOPLASM-OF-UNCERTAIN-BEHAVIOR

    ICD-10-CM Code For Neoplasm Of Uncertain Behavior Of Other And Unspecified Sites: 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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