ICD-10 · PDGM grouping
Q50-Q56 — Congenital malformations of genital organs
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
OASIS-E2 v1.00.0 · ingested 2026-04-26
Codes in range
91
No clinical group
8
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
83 of the 91 codes in Q50-Q56 group to MMTA - Other. A further 8 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in Q50-Q56
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| Q5001 | Congenital absence of ovary, unilateral | A | Accepted |
| Q5002 | Congenital absence of ovary, bilateral | A | Accepted |
| Q501 | Developmental ovarian cyst | A | Accepted |
| Q502 | Congenital torsion of ovary | A | Accepted |
| Q5031 | Accessory ovary | A | Accepted |
| Q5032 | Ovarian streak | A | Accepted |
| Q5039 | Other congenital malformation of ovary | A | Accepted |
| Q504 | Embryonic cyst of fallopian tube | A | Accepted |
| Q505 | Embryonic cyst of broad ligament | A | Accepted |
| Q506 | Oth congenital malformations of fallop and broad ligament | A | Accepted |
| Q510 | Agenesis and aplasia of uterus | A | Accepted |
| Q5110 | Doubling of uterus w doubling of cervix and vagina w/o obst | A | Accepted |
| Q5111 | Doubling of uterus w doubling of cervix and vagina w obst | A | Accepted |
| Q5121 | Complete doubling of uterus | A | Accepted |
| Q5122 | Partial doubling of uterus | A | Accepted |
| Q5128 | Other and unspecified doubling of uterus | A | Accepted |
| Q513 | Bicornate uterus | A | Accepted |
| Q514 | Unicornate uterus | A | Accepted |
| Q515 | Agenesis and aplasia of cervix | A | Accepted |
| Q516 | Embryonic cyst of cervix | A | Accepted |
| Q517 | Congen fistulae betw uterus and digestive and urinary tracts | A | Accepted |
| Q51810 | Arcuate uterus | A | Accepted |
| Q51811 | Hypoplasia of uterus | A | Accepted |
| Q51818 | Other congenital malformations of uterus | A | Accepted |
| Q51820 | Cervical duplication | A | Accepted |
| Q51821 | Hypoplasia of cervix | A | Accepted |
| Q51828 | Other congenital malformations of cervix | A | Accepted |
| Q519 | Congenital malformation of uterus and cervix, unspecified | None | Cannot group |
| Q520 | Congenital absence of vagina | A | Accepted |
| Q5210 | Doubling of vagina, unspecified | A | Accepted |
| Q5211 | Transverse vaginal septum | A | Accepted |
| Q52120 | Longitudinal vaginal septum, nonobstructing | A | Accepted |
| Q52121 | Longitudinal vaginal septum, obstructing, right side | A | Accepted |
| Q52122 | Longitudinal vaginal septum, obstructing, left side | A | Accepted |
| Q52123 | Longitudinal vaginal septum, microperforate, right side | A | Accepted |
| Q52124 | Longitudinal vaginal septum, microperforate, left side | A | Accepted |
| Q52129 | Other and unspecified longitudinal vaginal septum | A | Accepted |
| Q522 | Congenital rectovaginal fistula | A | Accepted |
| Q523 | Imperforate hymen | A | Accepted |
| Q524 | Other congenital malformations of vagina | A | Accepted |
| Q525 | Fusion of labia | A | Accepted |
| Q526 | Congenital malformation of clitoris | A | Accepted |
| Q5270 | Unspecified congenital malformations of vulva | None | Cannot group |
| Q5271 | Congenital absence of vulva | A | Accepted |
| Q5279 | Other congenital malformations of vulva | A | Accepted |
| Q528 | Other specified congenital malformations of female genitalia | A | Accepted |
| Q529 | Congenital malformation of female genitalia, unspecified | None | Cannot group |
| Q5300 | Ectopic testis, unspecified | None | Cannot group |
| Q5301 | Ectopic testis, unilateral | A | Accepted |
| Q5302 | Ectopic testes, bilateral | A | Accepted |
| Q5310 | Unspecified undescended testicle, unilateral | None | Cannot group |
| Q53111 | Unilateral intraabdominal testis | A | Accepted |
| Q53112 | Unilateral inguinal testis | A | Accepted |
| Q5312 | Ectopic perineal testis, unilateral | A | Accepted |
| Q5313 | Unilateral high scrotal testis | A | Accepted |
| Q5320 | Undescended testicle, unspecified, bilateral | A | Accepted |
| Q53211 | Bilateral intraabdominal testes | A | Accepted |
| Q53212 | Bilateral inguinal testes | A | Accepted |
| Q5322 | Ectopic perineal testis, bilateral | A | Accepted |
| Q5323 | Bilateral high scrotal testes | A | Accepted |
| Q539 | Undescended testicle, unspecified | None | Cannot group |
| Q540 | Hypospadias, balanic | A | Accepted |
| Q541 | Hypospadias, penile | A | Accepted |
| Q542 | Hypospadias, penoscrotal | A | Accepted |
| Q543 | Hypospadias, perineal | A | Accepted |
| Q544 | Congenital chordee | A | Accepted |
| Q548 | Other hypospadias | A | Accepted |
| Q549 | Hypospadias, unspecified | A | Accepted |
| Q550 | Absence and aplasia of testis | A | Accepted |
| Q551 | Hypoplasia of testis and scrotum | A | Accepted |
| Q5520 | Unspecified congenital malformations of testis and scrotum | None | Cannot group |
| Q5521 | Polyorchism | A | Accepted |
| Q5522 | Retractile testis | A | Accepted |
| Q5523 | Scrotal transposition | A | Accepted |
| Q5529 | Other congenital malformations of testis and scrotum | A | Accepted |
| Q553 | Atresia of vas deferens | A | Accepted |
| Q554 | Oth congen malform of vas def,epidid, semnl vescl & prostate | A | Accepted |
| Q555 | Congenital absence and aplasia of penis | A | Accepted |
| Q5561 | Curvature of penis (lateral) | A | Accepted |
| Q5562 | Hypoplasia of penis | A | Accepted |
| Q5563 | Congenital torsion of penis | A | Accepted |
| Q5564 | Hidden penis | A | Accepted |
| Q5569 | Other congenital malformation of penis | A | Accepted |
| Q557 | Congenital vasocutaneous fistula | A | Accepted |
| Q558 | Oth congenital malformations of male genital organs | A | Accepted |
| Q559 | Congenital malformation of male genital organ, unspecified | None | Cannot group |
| Q560 | Hermaphroditism, not elsewhere classified | A | Accepted |
| Q561 | Male pseudohermaphroditism, not elsewhere classified | A | Accepted |
| Q562 | Female pseudohermaphroditism, not elsewhere classified | A | Accepted |
| Q563 | Pseudohermaphroditism, unspecified | A | Accepted |
| Q564 | Indeterminate sex, unspecified | A | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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