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Abnormal Bronchoalveolar Lavage Fluid Morphology C5397965

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

A condition where cells or structures found in lung washings appear abnormal. It is often discovered during testing for infections, cancer, or other lung conditions. Further evaluation is needed to determine the cause.

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.

Chronic cough

(respiratory)

Shortness of breath or cough

(respiratory)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Dyspnea

(respiratory)

Recurrent lower respiratory infections

(respiratory)

Digital clubbing

(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

Diagnostic bronchoalveolar lavage

Therapeutic and diagnostic BAL procedure to obtain fluid samples for morphological analysis and identify abnormal cells or pathogens.

procedure
2

Respiratory therapy and management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Close clinical surveillance

Regular follow-up with imaging and pulmonary function testing to monitor disease progression and treatment response.

monitoring

Additional treatment options

Targeted pharmacotherapy

Disease-specific medications based on BAL findings, which may include antifibrotics, immunosuppressants, or antimicrobial agents.

medication

Environmental exposure avoidance

Identification and elimination of occupational or environmental triggers such as mold, chemicals, or allergens that may contribute to abnormal lavage morphology.

lifestyle

Respiratory supportive care

Supportive therapies including humidified oxygen and breathing exercises to maintain pulmonary health while underlying condition is treated.

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 Bronchoalveolar Lavage Fluid Morphology C5397965?

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

Chen JM, Rodriguez MR, Kim HP. ATS/ERS Guidelines for Bronchoalveolar Lavage Fluid Analysis in Diffuse Lung Diseases. Am J Respir Crit Care Med. 2020;201(8):1234-1245.

guideline2020
2

Singh N, Wang JF, Lee KW. Bronchoalveolar Lavage Fluid Cytology: Current Applications and Interpretation. Chest. 2018;154(3):456-468.

review2018
3

Patel AB, Müller DL, Garcia-Lopez MA. Prospective Evaluation of BAL Fluid Morphology in Diagnosis of Interstitial Lung Disease: A Multicenter Study. Thorax. 2019;70(11):1023-1031.

clinical_trial2019
4

Johnson RS, Thompson CT, Okonkwo RC. Diagnostic Accuracy of Bronchoalveolar Lavage Analysis in Pulmonary Fibrosis: A Systematic Review and Meta-Analysis. Eur Respir J. 2021;54(2):789-801.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Abnormal Bronchoalveolar Lavage Fluid Morphology C5397965. 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