Q42.1
BillableCongen absence, atresia and stenosis of rectum w/o fistula
Congenital absence, atresia and stenosis of rectum without fistula
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Imperforate rectum
Includes
Conditions included under this code
- congenital obstruction, occlusion and stricture of large intestine
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(5)
Q42.0Congenital absence, atresia and stenosis of rectum w fistula
Q42.2Congenital absence, atresia and stenosis of anus w fistula
Q42.3Congenital absence, atresia and stenosis of anus w/o fistula
Q42.8Congenital absence, atresia and stenosis of prt lg int
Q42.9Congen absence, atresia and stenosis of lg int, part unsp
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(47)
SNOMED CT
- Anorectal agenesis975000
- Stricture of rectum25730006
- Congenital absence of rectum25972003
- Congenital rectal stricture39476006
- Congenital stricture of rectum39476006
- Congenital absence of large intestine59514009
- Stenosis of rectum60658009
- Anorectal stricture68627009
- Congenital atresia of rectum91375006
- Imperforate rectum91375006
- Rectal atresia91375006
- Atresia of large intestine204711007
- Congenital atresia of large intestine204711007
- Atresia and stenosis of large intestine, rectum and anal canal268205005
- Congenital stenosis of large intestine737197004
- Congenital rectal stenosis1085691000119104
- Congenital stenosis of rectum1085691000119104
UMLS
- Atresia of the rectumC0549173
- Congenital atresia of rectumC0549173
- Congenital atresia of rectum (disorder)C0549173
- Imperforate rectumC0549173
- Rectal atresiaC0549173
- absence rectumC0549173
- imperforate rectumC0549173
- rectal atresiaC0549173
- Congen absence, atresia and stenosis of rectum w/o fistulaC0495557
- Congenital absence, atresia and stenosis of rectum without fistulaC0495557
Clinical Terms
- Rectal atresia
- Stricture of rectum
- Congenital absence of large intestine
- Congenital stenosis of large intestine
- Congenital stenosis of rectum
- Congenital atresia of rectum (disorder)
- Congenital stricture of rectum
- Stenosis of rectum
- Imperforate rectum
- Anorectal agenesis
- Congenital rectal stricture
- Atresia of the rectum
- Congenital atresia of rectum
- absence rectum
- Atresia of large intestine
- Congenital atresia of large intestine
- Anorectal stricture
- Congenital absence of rectum
- Atresia and stenosis of large intestine, rectum and anal canal
- Congenital rectal stenosis
Frequently Asked Questions
What is the ICD-10 code for congen absence, atresia and stenosis of rectum w/o fistula?
The ICD-10-CM code for congen absence, atresia and stenosis of rectum w/o fistula is Q42.1. The full clinical description is "Congenital absence, atresia and stenosis of rectum without fistula". Q42.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q42.1 mean?
ICD-10-CM code Q42.1 represents “Congenital absence, atresia and stenosis of rectum without fistula”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q42.1 a billable code?
Yes, Q42.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q42.1 in?
Q42.1 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What SNOMED CT codes does Q42.1 map to?
Q42.1 maps to 12 SNOMED CT concepts: 975000, 68627009, 268205005, 204711007, 59514009, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q42.1?
Q42.1 is linked to 2 UMLS Concept Unique Identifiers: C0549173, C0495557. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q42.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like congen absence, atresia and stenosis of rectum w/o fistula affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q42.1?
Q42.1 maps to the ICD-11 code: LB17.Z (Structural developmental anomalies of anal canal, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.