Undescended testicle


cryptorchidism: The failure of one or both testes of a male fetus to descend from the abdomen into the scrotum during the late part of pregnancy. If not surgically corrected in early childhood, males may be at increased risk for testicular cancer later in life.

Endpoint definition

FinnGen phenotype data

321302 individuals

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Apply sex-specific rule None


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Check conditions None


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Filter registries

Hospital Discharge: ICD-10 Q53
Cause of death: ICD-10 Q53


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Check pre-conditions, main-only, mode, ICD version

Look only at ICD versions H.D: 10 ; C.O.D: 10


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Check minimum number of events None


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Include endpoints None


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Extra metadata

Level in the ICD hierarchy 3
First used in FinnGen datafreeze DF4
Parent code in ICD-10 Q5
Name in latin Retentio testis

Summary Statistics

Key figures

All Female Male
Number of individuals 206 - 204
Unadjusted prevalence (%) 0.07 - 0.15
Mean age at first event (years) 16.35 - 16.06


Follow-up Absolute risk HR [95% CI] p N
1998–2019 - - - -
15 years - - - -
5 years - - - -
1 year - - - -

Age distribution of first events

Year distribution of first events

Cumulative Incidence


Index endpoint: Q17_UNDES_TESTICLE – Undescended testicle
GWS hits: 0

Survival analyses between endpoints


before Undescended testicle
after Undescended testicle

loading spinner Loading survival analyses plot

Drugs most likely to be purchased after Undescended testicle