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Abnormality On Pulmonary Function Testing C0476405

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

An abnormal finding on tests that measure lung function. It may indicate various respiratory conditions and typically requires further evaluation by a pulmonologist.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Shortness of breath or cough

(respiratory)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Shortness of breath

(respiratory)

Cough

(respiratory)

Wheezing

(respiratory)

Exercise intolerance

(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

Respiratory therapy and management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Bronchodilator therapy

Inhaled medications that relax airway smooth muscles and improve breathing capacity. Particularly beneficial for obstructive patterns seen on pulmonary function testing such as asthma or COPD.

medication
3

Pulmonary rehabilitation

Supervised exercise training and breathing techniques designed to improve lung function, endurance, and quality of life. Includes aerobic conditioning, strength training, and education on lung health management.

physical_therapy

Additional treatment options

Smoking cessation

Comprehensive tobacco cessation program addressing nicotine addiction through behavioral support, counseling, and possibly nicotine replacement therapy. Essential intervention for preventing further pulmonary decline.

lifestyle

Serial pulmonary function testing

Regular follow-up spirometry and lung volume measurements to track disease progression or treatment response objectively. Helps guide therapy adjustments and prognosis discussions.

monitoring

Anti-inflammatory nutrition

Dietary approach emphasizing omega-3 fatty acids, antioxidants, and avoiding processed foods to reduce systemic inflammation that may contribute to pulmonary dysfunction. Supports overall respiratory health.

dietary

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 Abnormality On Pulmonary Function Testing C0476405?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Pellegrino R, Viegi G, Brusasco V, et al. Interpretive strategies for lung function tests. Eur Respir J. 2005.

guideline2005
2

Miller MR, Hankinson J, Brusasco V, et al. Standardisation of spirometry. Eur Respir J. 2005.

review2005
3

Ruppel GL, Enright PL. Pulmonary function testing. Respir Care. 2012.

review2012
4

Zhao Y, Han W, Li Q, et al. Diagnostic accuracy of pulmonary function tests for respiratory diseases: a systematic review and meta-analysis. J Clin Med. 2020.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Abnormality On Pulmonary Function Testing C0476405. 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