| Identifier/Property | Value |
|---|---|
| Disease name | Mixed germ cell tumor (pqac-00000005) |
| MONDO ID | MONDO:0015864 (mixed germ cell tumor) (pqac-00000005) |
| Related subtype code | EFO:0010831 — testicular mixed germ cell tumor (pqac-00000005) |
| Related subtype code | MONDO:0003710 — ovarian mixed germ cell neoplasm (pqac-00000005) |
| Related subtype code | MONDO:0016742 — mixed germ cell tumor of central nervous system (pqac-00000005) |
| ICD-10 code (testicular primary, as appropriate) | C62 — malignant neoplasm of testis (site code used for testicular mixed germ cell tumors) (pqac-00000005) |
| ICD-10 code (ovarian primary, as appropriate) | C56 — malignant neoplasm of ovary (site code used for ovarian mixed germ cell tumors) (pqac-00000001, pqac-00000005) |
| ICD-10 code (borderline/uncertain ovarian behavior, as appropriate) | D39.1 — neoplasm of uncertain or unknown behavior of ovary (used only where pathology/behavior is coded as uncertain; not for clearly malignant mixed ovarian GCT) (pqac-00000001) |
| WHO 2022 classification category | Germ cell tumor; mixed germ cell tumors are malignant neoplasms composed of more than one histological element and are generally classified among non-germinomatous/non-seminomatous germ cell tumors in post-pubertal settings (pqac-00000002, pqac-00000003) |
| Common synonym | Mixed nonseminomatous germ cell tumor (pqac-00000002, pqac-00000043) |
| Common synonym | Mixed NSGCT (pqac-00000031, pqac-00000043) |
| Common synonym | Mixed malignant germ cell tumor (pqac-00000001, pqac-00000022) |
| Common synonym | MGCT (abbreviation used in literature for mixed germ cell tumor / mixed malignant germ cell tumor) (pqac-00000001, pqac-00000027) |


*Table: This table summarizes core ontology identifiers, site-specific coding, classification context, and common synonyms for mixed germ cell tumor. It is useful for harmonizing disease labels across clinical, pathology, and knowledge-base resources.*