ICD-10-CM Billable Code

Q42.3

Congenital absence, atresia and stenosis of anus without fistula

Clinical Classification Guidelines

Inclusion Terms

  • Imperforate anus

Medical Intelligence & Overview

Congenital absence, atresia, and stenosis of the anus, classified under ICD-10 code Q42.3, refer to birth defects where the opening of the anus is either missing, narrowed, or abnormally developed. This condition, commonly known as imperforate anus, is present at birth and requires medical intervention to ensure proper waste elimination and growth. The severity and type of the anomaly can vary, influencing treatment options and prognosis.

Causes & Symptoms

Clinical Causes: Genetic factors involving multiple genes that influence gut and pelvic development Environmental exposures during pregnancy, such as medications, toxins, or infections Associated syndromes or congenital conditions like VACTERL association, which includes vertebral, anal, cardiac, tracheoesophageal, renal, and limb anomalies Unknown factors in some cases, where the exact cause cannot be identified

Key Symptoms: Absence of an anal opening observed at birth Inability to pass stool shortly after birth Presence of an abnormal or narrowed opening (stenosis) if some anal tissue exists Accumulation of stool in the rectum or intestines, leading to swelling or discomfort Potential signs of bowel obstruction, such as vomiting, abdominal distension, or constipation in newborns Associated anomalies that may cause additional symptoms depending on their nature

Diagnostic & Treatment

Diagnosis Path: Diagnosis of this condition involves a thorough physical examination of the newborn, including inspecting the perineal area for the presence or absence of an anal opening. Additional tests may include:

Treatment Protocols: Managing congenital absence or atresia of the anus typically requires surgical procedures aimed at creating a functional anal opening and restoring normal bowel movements. Common interventions include:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is Q42.3 a billable ICD-10 code?
Yes, Q42.3 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report Q42.3?
Clinical documentation must specify the nature of Congenital absence, atresia and stenosis of anus without fistula and any associated comorbidities for accurate reporting.

Cite this Clinical Reference

Related Diagnosis Codes

Clinical Meta Tags

congenital fistula stenosis atresia