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ICD-10-CM Codes
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Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
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Q38-Q45
Other congenital malformations of the digestive system
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Q42-
Congenital absence, atresia and stenosis of large intestine
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2020 ICD-10-CM Diagnosis Code Q42.3
Congenital absence, atresia and stenosis of anus without fistula
2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
- Q42.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Congenital absence, atresia and stenosis of anus w/o fistula
- The 2020 edition of ICD-10-CM Q42.3 became effective on October 1, 2019.
- This is the American ICD-10-CM version of Q42.3 - other international versions of ICD-10 Q42.3 may differ.
The following code(s) above
Q42.3 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
Q42.3:
- Anal atresia
- Congenital absence of anus
- Congenital anal absence
- Congenital anal atresia
- Congenital anal stenosis
- Congenital stricture of anus
- Imperforate anus
Clinical Information
- A congenital abnormality characterized by the persistence of the anal membrane, resulting in a thin membrane covering the normal anal canal. Imperforation is not always complete and is treated by surgery in infancy. This defect is often associated with neural tube defects; mental retardation; and down syndrome.
- A congenital birth defect characterized by the absence of a normal anal opening. It may be associated with other congenital abnormalities.
Present On AdmissionPOA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
- Q42.3 is considered exempt from POA reporting.
ICD-10-CM Q42.3 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 393 Other digestive system diagnoses with mcc
- 394 Other digestive system diagnoses with cc
- 395 Other digestive system diagnoses without cc/mcc
Convert Q42.3 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To Q42.3
Q41 Congenital absence, atresia and stenosis of small intestine
Q41.0 Congenital absence, atresia and stenosis of duodenum
Q41.1 Congenital absence, atresia and stenosis of jejunum
Q41.2 Congenital absence, atresia and stenosis of ileum
Q41.8 Congenital absence, atresia and stenosis of other specified parts of small intestine
Q41.9 Congenital absence, atresia and stenosis of small intestine, part unspecified
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
Q42.3
Congenital absence, atresia and stenosis of anus without 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
Q43 Other congenital malformations of intestine
Q43.0 Meckel's diverticulum (displaced) (hypertrophic)
Q43.1 Hirschsprung's disease
Q43.2 Other congenital functional disorders of colon
Q43.3 Congenital malformations of intestinal fixation
Q43.4 Duplication of intestine
Q43.6 Congenital fistula of rectum and anus
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
