Chapter XVII
Congenital malformations, deformations and chromosomal abnormalities
(Q00-Q99)

Congenital malformations of genital organs
(Q50-Q56)

Excludes: androgen resistance syndrome ( E34.5 )
syndromes associated with anomalies in the number and form of chromosomes ( Q90-Q99 )
testicular feminization syndrome ( E34.5 )

Q50 Congenital malformations of ovaries, fallopian tubes and broad ligaments
Q50.0 Congenital absence of ovary
Excludes: Turner's syndrome ( Q96.- )
Q50.1 Developmental ovarian cyst
Q50.2 Congenital torsion of ovary
Q50.3 Other congenital malformations of ovary
Accessory ovary
Congenital malformation of ovary NOS
Ovarian streak
Q50.4 Embryonic cyst of fallopian tube
Fimbrial cyst
Q50.5 Embryonic cyst of broad ligament
Cyst:
· epoophoron
· Gartner's duct
· parovarian
Q50.6 Other congenital malformations of fallopian tube and broad ligament
Absence
Accessory
Atresia
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(of) fallopian tube or broad ligament
Congenital malformation of fallopian tube or broad ligament NOS

Q51 Congenital malformations of uterus and cervix
Q51.0 Agenesis and aplasia of uterus
Congenital absence of uterus
Q51.1 Doubling of uterus with doubling of cervix and vagina
Q51.2 Other doubling of uterus
Doubling of uterus NOS
Q51.3 Bicornate uterus
Q51.4 Unicornate uterus
Q51.5 Agenesis and aplasia of cervix
Congenital absence of cervix
Q51.6 Embryonic cyst of cervix
Q51.7 Congenital fistulae between uterus and digestive and urinary tracts
Q51.8 Other congenital malformations of uterus and cervix
Hypoplasia of uterus and cervix
Q51.9 Congenital malformation of uterus and cervix, unspecified

Q52 Other congenital malformations of female genitalia
Q52.0 Congenital absence of vagina
Q52.1 Doubling of vagina
Septate vagina
Excludes: doubling of vagina with doubling of uterus and cervix ( Q51.1 )
Q52.2 Congenital rectovaginal fistula
Excludes: cloaca ( Q43.7 )
Q52.3 Imperforate hymen
Q52.4 Other congenital malformations of vagina
Congenital malformation of vagina NOS
Cyst:
· canal of Nuck, congenital
· embryonic vaginal
Q52.5 Fusion of labia
Q52.6 Congenital malformation of clitoris
Q52.7 Other congenital malformations of vulva
Congenital:
· absence
· cyst
· malformation NOS
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of vulva
Q52.8 Other specified congenital malformations of female genitalia
Q52.9 Congenital malformation of female genitalia, unspecified

Q53 Undescended testicle
Q53.0 Ectopic testis
Unilateral or bilateral ectopic testes
Q53.1 Undescended testicle, unilateral
Q53.2 Undescended testicle, bilateral
Q53.9 Undescended testicle, unspecified
Cryptorchism NOS

Q54 Hypospadias
Excludes: epispadias ( Q64.0 )
Q54.0 Hypospadias, balanic
Hypospadias:
· coronal
· glandular
Q54.1 Hypospadias, penile
Q54.2 Hypospadias, penoscrotal
Q54.3 Hypospadias, perineal
Q54.4 Congenital chordee
Q54.8 Other hypospadias
Q54.9 Hypospadias, unspecified

Q55 Other congenital malformations of male genital organs
Excludes: congenital hydrocele ( P83.5 )
hypospadias ( Q54.- )
Q55.0 Absence and aplasia of testis
Monorchism
Q55.1 Hypoplasia of testis and scrotum
Fusion of testes
Q55.2 Other congenital malformations of testis and scrotum
Congenital malformation of testis or scrotum NOS
Polyorchism
Retractile testis
Testis migrans
Q55.3 Atresia of vas deferens
Q55.4 Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
Absence or aplasia of:
· prostate
· spermatic cord
Congenital malformation of vas deferens, epididymis, seminal vesicles or prostate NOS
Q55.5 Congenital absence and aplasia of penis
Q55.6 Other congenital malformations of penis
Congenital malformation of penis NOS
Curvature of penis (lateral)
Hypoplasia of penis
Q55.8 Other specified congenital malformations of male genital organs
Q55.9 Congenital malformation of male genital organ, unspecified
Congenital:
· anomaly
· deformity
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}
NOS of male genital organ

Q56 Indeterminate sex and pseudohermaphroditism
Excludes: pseudohermaphroditism:
· female, with adrenocortical disorder ( E25.- )
· male, with androgen resistance ( E34.5 )
· with specified chromosomal anomaly ( Q96-Q99 )
Q56.0 Hermaphroditism, not elsewhere classified
Ovotestis
Q56.1 Male pseudohermaphroditism, not elsewhere classified
Male pseudohermaphroditism NOS
Q56.2 Female pseudohermaphroditism, not elsewhere classified
Female pseudohermaphroditism NOS
Q56.3 Pseudohermaphroditism, unspecified
Q56.4 Indeterminate sex, unspecified
Ambiguous genitalia