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Q62.0 — Congenital hydronephrosis
Q62.0
What this code means
Congenital hydronephrosis is swelling of a baby's kidney from urine build-up behind a narrowed junction, present from birth.
Also called: congenital hydronephrosis.
When this code is used
Used for congenital hydronephrosis.
Where it sits in ICD-10-CM
Code Q62.0 belongs to Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders, which covers codes Q00–QA1 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related anatomy
Frequently asked questions
What is ICD-10-CM code Q62.0?
Q62.0 is the ICD-10-CM diagnosis code for “Congenital hydronephrosis”. Congenital hydronephrosis is swelling of a baby's kidney from urine build-up behind a narrowed junction, present from birth.
When is code Q62.0 used?
Used for congenital hydronephrosis. It belongs to Chapter 17 of ICD-10-CM (Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.