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    v1.0.28
    OpenPayerBilling CodesCongenital malformations of genital organsICD-10-CM q53-undescended-and-ectopic-testicle
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    ICD-10-CM Code For Undescended And Ectopic Testicle: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group Q53 includes congenital malformations of the testis such as undescended testicle (cryptorchidism) and ectopic testis positions, covering unilateral or bilateral presentations and specified anatomical locations. These ICD-10-CM diagnosis codes are used to document clinical scenarios that capture laterality, anatomic location of the undescended or ectopic testis, and any associated complications such as torsion or atrophy. Accurate coding within the ICD-10-CM Q53 group supports proper claim adjudication and complete clinical documentation and appropriate reimbursement.

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    ICD-10-CM Q53: Undescended And Ectopic Testicle Overview

    The ICD-10-CM Q53 group includes congenital malformations where one or both testes are not located in the scrotum, including undescended (cryptorchidism) and ectopic positions. These conditions affect the male genital system and can have implications for fertility, malignancy risk, and surgical management. Accurate coding matters for appropriate reimbursement and to reflect clinical complexity for surgical and follow-up care.

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    When to Use

    Use a code from this group when documenting a congenital undescended or ectopic testis identified on examination, imaging, or during surgical exploration. Select the code that reflects unilateral or bilateral involvement and the specific anatomic location if available.

    ICD-10-CM Codes

    14 rows

    ICD-10-CM CodeDescription
    Q53.00Ectopic testis, unspecified
    Q53.01Ectopic testis, unilateral
    Q53.02Ectopic testes, bilateral
    Q53.10Unspecified undescended testicle, unilateral
    Q53.111Unilateral intraabdominal testis
    Q53.112Unilateral inguinal testis
    Q53.12Ectopic perineal testis, unilateral
    Q53.13Unilateral high scrotal testis
    Q53.20Undescended testicle, unspecified, bilateral
    Q53.211Bilateral intraabdominal testes
    Q53.212Bilateral inguinal testes
    Q53.22Ectopic perineal testis, bilateral
    Q53.23Bilateral high scrotal testes
    Q53.9Undescended testicle, unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    729Other Male Reproductive System Diagnoses with CC/MCC
    730Other Male Reproductive System Diagnoses without CC/MCC
    795Normal Newborn

    Typical Clinical Scenarios

    • A newborn full-term male is noted on initial neonatal exam to have one testis non-palpable in the scrotum but felt in the inguinal canal; pediatrician documents congenital undescended testicle and refers to pediatric urology for evaluation and timing of orchiopexy. A diagnosis from this group is assigned because the finding is congenital and physical exam localizes the testis to the inguinal region. Typical codes: Q53.111, Q53.112
    • A 2-year-old boy presents to a pediatric clinic for developmental follow-up with persistent empty left hemiscrotum despite prior observation; ultrasound confirms an undescended testis located in the abdomen. The ongoing care visit assigns a code from this group to document a congenital testis that has not descended and to plan surgical management. Typical codes: Q53.10, Q53.12
    • An adolescent male presents to the emergency department with acute severe testicular pain and a history of a previously diagnosed undescended testis located in the inguinal canal; exam and imaging concern for torsion of an ectopic testis. A code from this group is used as a comorbid congenital condition that is relevant to the acute complication and surgical decision-making. Typical codes: Q53.21, Q53.23

    Related Codes

    Q50-CONGENITAL-MALFORMATIONS-OF-OVARIES

    ICD-10-CM Code For Congenital Malformations Of Ovaries Fallopian Tubes And Broad Ligaments: Group Overview

    Q51-CONGENITAL-MALFORMATIONS-OF-UTERUS-AND-CERVIX

    ICD-10-CM Code For Congenital Malformations Of Uterus And Cervix: Group Overview

    Q52-OTHER-CONGENITAL-MALFORMATIONS-FEMALE-GENITALIA

    ICD-10-CM Code For Other Congenital Malformations Of Female Genitalia: Group Overview

    Q54-HYPOSPADIAS

    ICD-10-CM Code For Hypospadias: Group Overview

    Q55-OTHER-CONGENITAL-MALE-GENITAL-MALFORMATIONS

    ICD-10-CM Code For Other Congenital Malformations Of Male Genital Organs: Group Overview

    Q56-INDETERMINATE-SEX-AND-PSEUDOHERMAPHRODITISM

    ICD-10-CM Code For Indeterminate Sex And Pseudohermaphroditism: 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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