ICD-10-CM Billable Code

Q42.0

Congenital absence, atresia and stenosis of rectum with fistula

Clinical Classification Guidelines

Medical Intelligence & Overview

Congenital absence, atresia, and stenosis of the rectum with fistula are rare congenital conditions affecting the lower digestive tract. These anomalies involve abnormalities in the development of the rectum, leading to partial or complete blockage or absence, often accompanied by abnormal connections (fistulas) between the rectum and other structures. Recognizing and understanding these conditions is essential for early diagnosis and management to prevent complications and improve quality of life.

Causes & Symptoms

Clinical Causes: Genetic mutations affecting the development of the lower digestive system Environmental factors during pregnancy, such as maternal exposure to harmful substances or medications Developmental disruptions during embryogenesis that interfere with rectal formation Family history of gastrointestinal congenital anomalies

Key Symptoms: Absence of normal anal opening at birth Inability to pass stool or abnormal passage of stool through fistula openings Abdominal distension and swelling due to intestinal blockage Discharge of stool through abnormal openings (fistula) Signs of infection or inflammation in the perineal area Failure to gain weight or feeding difficulties in infants

Diagnostic & Treatment

Diagnosis Path: Diagnosing this condition involves a combination of clinical examination and specialized testing, including: - Physical assessment of the perineal region to identify absent or abnormal anal openings - Anorectal manometry to evaluate rectal pressure - Imaging studies such as X-rays (contrast enema) to visualize the anatomy of the rectum and fistula - Fistulography to delineate fistula pathways - Ultrasound or MRI to assess associated anomalies and detailed anatomy - Surgical exploration may be necessary for definitive diagnosis and planning treatment Early diagnosis is crucial for prompt intervention and management, often involving a multidisciplinary approach.

Treatment Protocols: Management of congenital rectal anomalies with fistula typically involves surgical intervention aimed at correcting the anatomical defects and establishing normal bowel function. Standard treatment options include: - Colostomy: An initial procedure to divert stool and allow the affected area to heal and be evaluated - Fistula closure: Surgical sealing or excision of abnormal fistulous tracts - Rectal reconstruction or pull-through procedures to establish a functional rectum and anal opening - Postoperative care involving wound management, antibiotics, and supportive therapies - Long-term follow-up to monitor bowel function and address any complications such as continence issues or structural abnormalities The specific surgical approach depends on the severity and type of anomaly identified during diagnosis.

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 Q42.0 a billable ICD-10 code?
Yes, Q42.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report Q42.0?
Clinical documentation must specify the nature of Congenital absence, atresia and stenosis of rectum with fistula and any associated comorbidities for accurate reporting.

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Related Diagnosis Codes

Clinical Meta Tags

congenital fistula stenosis rectum atresia