ICD-10-CM 2027

ICD-10 code for Impervious

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Impervious (congenital)”. Page updated September 29, 2026.

About coding Impervious

The official ICD-10-CM index doesn't give a single default code for impervious; the code depends on the details below.

anus Q42.3 — Congenital absence, atresia and stenosis of anus without fistula
with fistula Q42.2 — Congenital absence, atresia and stenosis of anus with fistula
bile duct Q44.2 — Atresia of bile ducts
esophagus Q39.0 — Atresia of esophagus without fistula
with tracheoesophageal fistula Q39.1 — Atresia of esophagus with tracheo-esophageal fistula
intestine (small) Q41.9 — Congenital absence, atresia and stenosis of small intestine, part unspecified
large Q42.9 — Congenital absence, atresia and stenosis of large intestine, part unspecified
specified NEC Q42.8 — Congenital absence, atresia and stenosis of other parts of large intestine
rectum Q42.1 — Congenital absence, atresia and stenosis of rectum without fistula
with fistula Q42.0 — Congenital absence, atresia and stenosis of rectum with fistula
ureter
urethra Q64.39 — Other atresia and stenosis of urethra and bladder neck

What is the ICD-10 code for anus impervious?: Q42.3 — Congenital absence, atresia and stenosis of anus without fistula.
What is the ICD-10 code for bile duct impervious?: Q44.2 — Atresia of bile ducts.
What is the ICD-10 code for esophagus impervious?: Q39.0 — Atresia of esophagus without fistula.
What is the ICD-10 code for intestine impervious?: Q41.9 — Congenital absence, atresia and stenosis of small intestine, part unspecified.
What is the ICD-10 code for rectum impervious?: Q42.1 — Congenital absence, atresia and stenosis of rectum without fistula.
What is the ICD-10 code for urethra impervious?: Q64.39 — Other atresia and stenosis of urethra and bladder neck.