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 v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
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.
Code families in Q50-Q56
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- Q50Congenital malformations of ovaries, fallopian tubes and broad ligaments10 codes
- Q51Congenital malformations of uterus and cervix18 codes
- Q52Other congenital malformations of female genitalia19 codes
- Q53Undescended and ectopic testicle14 codes
- Q54Hypospadias7 codes
- Q55Other congenital malformations of male genital organs18 codes
- Q56Indeterminate sex and pseudohermaphroditism5 codes
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 | Can lead a claim |
| Q5002 | Congenital absence of ovary, bilateral | A | Can lead a claim |
| Q501 | Developmental ovarian cyst | A | Can lead a claim |
| Q502 | Congenital torsion of ovary | A | Can lead a claim |
| Q5031 | Accessory ovary | A | Can lead a claim |
| Q5032 | Ovarian streak | A | Can lead a claim |
| Q5039 | Other congenital malformation of ovary | A | Can lead a claim |
| Q504 | Embryonic cyst of fallopian tube | A | Can lead a claim |
| Q505 | Embryonic cyst of broad ligament | A | Can lead a claim |
| Q506 | Oth congenital malformations of fallop and broad ligament | A | Can lead a claim |
| Q510 | Agenesis and aplasia of uterus | A | Can lead a claim |
| Q5110 | Doubling of uterus w doubling of cervix and vagina w/o obst | A | Can lead a claim |
| Q5111 | Doubling of uterus w doubling of cervix and vagina w obst | A | Can lead a claim |
| Q5121 | Complete doubling of uterus | A | Can lead a claim |
| Q5122 | Partial doubling of uterus | A | Can lead a claim |
| Q5128 | Other and unspecified doubling of uterus | A | Can lead a claim |
| Q513 | Bicornate uterus | A | Can lead a claim |
| Q514 | Unicornate uterus | A | Can lead a claim |
| Q515 | Agenesis and aplasia of cervix | A | Can lead a claim |
| Q516 | Embryonic cyst of cervix | A | Can lead a claim |
| Q517 | Congen fistulae betw uterus and digestive and urinary tracts | A | Can lead a claim |
| Q51810 | Arcuate uterus | A | Can lead a claim |
| Q51811 | Hypoplasia of uterus | A | Can lead a claim |
| Q51818 | Other congenital malformations of uterus | A | Can lead a claim |
| Q51820 | Cervical duplication | A | Can lead a claim |
| Q51821 | Hypoplasia of cervix | A | Can lead a claim |
| Q51828 | Other congenital malformations of cervix | A | Can lead a claim |
| Q519 | Congenital malformation of uterus and cervix, unspecified | None | Cannot lead a claim |
| Q520 | Congenital absence of vagina | A | Can lead a claim |
| Q5210 | Doubling of vagina, unspecified | A | Can lead a claim |
| Q5211 | Transverse vaginal septum | A | Can lead a claim |
| Q52120 | Longitudinal vaginal septum, nonobstructing | A | Can lead a claim |
| Q52121 | Longitudinal vaginal septum, obstructing, right side | A | Can lead a claim |
| Q52122 | Longitudinal vaginal septum, obstructing, left side | A | Can lead a claim |
| Q52123 | Longitudinal vaginal septum, microperforate, right side | A | Can lead a claim |
| Q52124 | Longitudinal vaginal septum, microperforate, left side | A | Can lead a claim |
| Q52129 | Other and unspecified longitudinal vaginal septum | A | Can lead a claim |
| Q522 | Congenital rectovaginal fistula | A | Can lead a claim |
| Q523 | Imperforate hymen | A | Can lead a claim |
| Q524 | Other congenital malformations of vagina | A | Can lead a claim |
| Q525 | Fusion of labia | A | Can lead a claim |
| Q526 | Congenital malformation of clitoris | A | Can lead a claim |
| Q5270 | Unspecified congenital malformations of vulva | None | Cannot lead a claim |
| Q5271 | Congenital absence of vulva | A | Can lead a claim |
| Q5279 | Other congenital malformations of vulva | A | Can lead a claim |
| Q528 | Other specified congenital malformations of female genitalia | A | Can lead a claim |
| Q529 | Congenital malformation of female genitalia, unspecified | None | Cannot lead a claim |
| Q5300 | Ectopic testis, unspecified | None | Cannot lead a claim |
| Q5301 | Ectopic testis, unilateral | A | Can lead a claim |
| Q5302 | Ectopic testes, bilateral | A | Can lead a claim |
| Q5310 | Unspecified undescended testicle, unilateral | None | Cannot lead a claim |
| Q53111 | Unilateral intraabdominal testis | A | Can lead a claim |
| Q53112 | Unilateral inguinal testis | A | Can lead a claim |
| Q5312 | Ectopic perineal testis, unilateral | A | Can lead a claim |
| Q5313 | Unilateral high scrotal testis | A | Can lead a claim |
| Q5320 | Undescended testicle, unspecified, bilateral | A | Can lead a claim |
| Q53211 | Bilateral intraabdominal testes | A | Can lead a claim |
| Q53212 | Bilateral inguinal testes | A | Can lead a claim |
| Q5322 | Ectopic perineal testis, bilateral | A | Can lead a claim |
| Q5323 | Bilateral high scrotal testes | A | Can lead a claim |
| Q539 | Undescended testicle, unspecified | None | Cannot lead a claim |
| Q540 | Hypospadias, balanic | A | Can lead a claim |
| Q541 | Hypospadias, penile | A | Can lead a claim |
| Q542 | Hypospadias, penoscrotal | A | Can lead a claim |
| Q543 | Hypospadias, perineal | A | Can lead a claim |
| Q544 | Congenital chordee | A | Can lead a claim |
| Q548 | Other hypospadias | A | Can lead a claim |
| Q549 | Hypospadias, unspecified | A | Can lead a claim |
| Q550 | Absence and aplasia of testis | A | Can lead a claim |
| Q551 | Hypoplasia of testis and scrotum | A | Can lead a claim |
| Q5520 | Unspecified congenital malformations of testis and scrotum | None | Cannot lead a claim |
| Q5521 | Polyorchism | A | Can lead a claim |
| Q5522 | Retractile testis | A | Can lead a claim |
| Q5523 | Scrotal transposition | A | Can lead a claim |
| Q5529 | Other congenital malformations of testis and scrotum | A | Can lead a claim |
| Q553 | Atresia of vas deferens | A | Can lead a claim, code first applies |
| Q554 | Oth congen malform of vas def,epidid, semnl vescl & prostate | A | Can lead a claim |
| Q555 | Congenital absence and aplasia of penis | A | Can lead a claim |
| Q5561 | Curvature of penis (lateral) | A | Can lead a claim |
| Q5562 | Hypoplasia of penis | A | Can lead a claim |
| Q5563 | Congenital torsion of penis | A | Can lead a claim |
| Q5564 | Hidden penis | A | Can lead a claim |
| Q5569 | Other congenital malformation of penis | A | Can lead a claim |
| Q557 | Congenital vasocutaneous fistula | A | Can lead a claim |
| Q558 | Oth congenital malformations of male genital organs | A | Can lead a claim |
| Q559 | Congenital malformation of male genital organ, unspecified | None | Cannot lead a claim |
| Q560 | Hermaphroditism, not elsewhere classified | A | Can lead a claim |
| Q561 | Male pseudohermaphroditism, not elsewhere classified | A | Can lead a claim |
| Q562 | Female pseudohermaphroditism, not elsewhere classified | A | Can lead a claim |
| Q563 | Pseudohermaphroditism, unspecified | A | Can lead a claim |
| Q564 | Indeterminate sex, unspecified | A | Can lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue