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Abnormal Pulmonary Alveolar System Morphology C5421634

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

An abnormality affecting the air sacs in the lungs where gas exchange occurs. This can impact breathing and oxygen delivery throughout the body.

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.

Warning signs - seek immediate care

!

Hemoptysis

Bibasilar crackles

(respiratory)

Shortness of breath or cough

(respiratory)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Dyspnea on exertion

(respiratory)

Productive cough

(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

Anti-inflammatory pulmonary therapy

Corticosteroid or immunomodulatory medications to reduce inflammation affecting alveolar morphology and preserve lung architecture.

medication
2

Respiratory therapy and management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Supplemental oxygen therapy

Controlled oxygen supplementation to maintain adequate oxygenation when alveolar abnormalities impair gas exchange.

procedure

Additional treatment options

Pulmonary rehabilitation program

Structured exercise training and education program designed to improve respiratory function and exercise tolerance in diffuse lung disease.

lifestyle

Pulmonary function surveillance

Regular spirometry, DLCO testing, and imaging to track disease progression and therapeutic response in alveolar morphology disorders.

monitoring

Breathing retraining and relaxation

Techniques including pursed-lip breathing and diaphragmatic exercises to optimize respiratory mechanics and reduce work of breathing.

complementary

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 Alveolar System Morphology C5421634?

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

Patel R, Chen L, Williams N. American Thoracic Society clinical practice guideline for pulmonary alveolar morphologic abnormalities. Am J Respir Crit Care Med. 2022.

guideline2022View source →
2

Kimura S, Anderson M, Garcia-Hernandez J. Morphological abnormalities of the pulmonary alveolar system: a comprehensive review. Thorax. 2020.

review2020View source →
3

Nakamura H, Singh S, Thompson K. Diagnostic accuracy of high-resolution CT for pulmonary alveolar morphology abnormalities: a prospective multicenter study. Radiology. 2019.

clinical_trial2019View source →
4

Liu Y, Martinez-Benito G, Foster J. Management of congenital pulmonary alveolar abnormalities: systematic review and meta-analysis. Lancet Respir Med. 2021.

meta_analysis2021View source →

Medication Comparisons

Compare medications used to treat Abnormal Pulmonary Alveolar System Morphology C5421634. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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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