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Abnormal Pulmonary Fissure Architecture C5397983

Published: July 22, 2026Updated: August 20, 2026

This refers to unusual patterns in the natural separations between lung lobes. It's usually a variation in anatomy and often doesn't cause symptoms. It's typically found during imaging for other reasons.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
J98.9
ICD-11
CA00.0
Body system
respiratory
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Pleuritic chest pain

Shortness of breath or cough

(respiratory)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Mild dyspnea on exertion

(respiratory)

Persistent dry cough

(respiratory)

Recurrent lower respiratory tract infections

(respiratory)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

High-resolution CT surveillance

Periodic imaging with detailed CT scans to monitor pulmonary fissure architecture over time. Most abnormalities are incidental findings that remain stable, but surveillance ensures early detection of any changes.

monitoring
2

Respiratory therapy and management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Pulmonary rehabilitation program

Specialized respiratory therapy including breathing exercises, chest percussion, and airway clearance techniques to optimize lung function despite structural variations in fissure anatomy.

physical_therapy

Additional treatment options

Smoking cessation

Comprehensive smoking cessation program including counseling and nicotine replacement therapy support. Eliminates a major risk factor for deterioration of pulmonary structures.

lifestyle

Diagnostic bronchoscopy

Endoscopic examination of the airways to directly visualize bronchial anatomy and obtain tissue samples if there are concerns about associated pathology or malignancy.

procedure

Segmental lung resection

Surgical removal of lung segments with abnormal fissure architecture when symptomatic or associated with recurrent infections, typically performed via video-assisted thoracoscopic surgery.

surgical

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormal Pulmonary Fissure Architecture C5397983?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Abnormal Pulmonary Fissure Architecture C5397983. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy