Q42.3 is the authoritative medical code for Congenital absence, atresia and stenosis of anus without fistula. This classification is used in medical billing and clinical recording to specify the clinical criteria for congenital absence, atresia and stenosis of anus without fistula (ICD-10-CM Q42.3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Congenital absence, atresia and stenosis of anus without fistula is a billable ICD-10-CM diagnosis code Q42.3. Includes: congenital obstruction, occlusion and stricture of large intestine. Inclusion terms: Imperforate anus.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Q42.3 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- congenital obstruction, occlusion and stricture of large intestine
Inclusion Terms
Alternative terms the tabular list files under this code.
Frequently Asked Questions (FAQ) & Clinical Guidance
What conditions are included under Q42.3?
Congenital absence, atresia and stenosis of anus without fistula includes: Imperforate anus.
Codes in This Family (6)
Official ICD-10-CM classifications in the same code family as Q42.3, with their registry titles.
- Q42 — Congenital absence, atresia and stenosis of large intestine
- Q42.0 — Congenital absence, atresia and stenosis of rectum with fistula
- Q42.1 — Congenital absence, atresia and stenosis of rectum without fistula
- Q42.2 — Congenital absence, atresia and stenosis of anus with fistula
- Q42.8 — Congenital absence, atresia and stenosis of other parts of large intestine
- Q42.9 — Congenital absence, atresia and stenosis of large intestine, part unspecified
Indexed Clinical Terms (12)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Absence (of) (organ or part) (complete or partial), anus (congenital)
- Agenesis, anus, anal (canal)
- Atresia, atretic, ani, anus, anal (canal)
- Hypoplasia, hypoplastic, anus, anal (canal)
- Imperforate (congenital), anus
- Impervious (congenital), anus
- Occlusion, occluded, anus, congenital
- Persistence, persistent (congenital), anal membrane
- Septum, septate (congenital), anal
- Stenosis, stenotic (cicatricial), anus, anal (canal) (sphincter), congenital
- Stricture, anus (sphincter), congenital
- Stricture, anus (sphincter), infantile
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
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