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Your Laboratory Test: What It Is, Why It Matters, and What to Expect During the Procedure

Published: August 9, 2026Updated: August 16, 2026

A molecular test that detects Acinetobacter baumannii bacteria DNA in blood samples when a blood culture has tested positive.

Quick summary

{"This test confirms Acinetobacter baumannii infection in patients with positive blood cultures","Results help doctors choose the right antibiotic treatment","Acinetobacter baumannii is often drug-resistant, making accurate identification critical","The test uses nucleic acid amplification (NAA) technology for rapid, accurate detection","Early detection helps prevent serious complications from bloodstream infections"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
93406-7
Short code
AB-DNA
Synonyms
A baumannii DNA Bld Pos Ql NAA+probe
Category
chemistry
Sample
whole-blood
Container
Positive blood culture bottle content (aerobic/anaerobic)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
≥ 0 years
Method
probe-amp-tar
CPT
87625
SNOMED
122442007
Specimen volume
N/A - Tested from positive blood culture broth, not direct patient sample
Stability
Test promptly from positive blood culture. If delay, store at 2-8°C for up to 72 hours or freeze at -70°C for longer storage. Avoid repeated freeze-thaw cycles.
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
1–8 hours
Order
routine

What is this test? This is a laboratory test that measures specific substances or markers in your body, helping your healthcare provider evaluate how well your organs and systems are functioning.

The Acinetobacter baumannii DNA test is a molecular diagnostic test that detects the genetic material (DNA) of Acinetobacter baumannii bacteria in blood samples. This test is performed when a blood culture has already shown signs of bacterial growth. It uses a technique called Nucleic Acid Amplification (NAA) with probe detection, which can quickly and accurately identify whether the bacteria causing the infection is Acinetobacter baumannii.

Why is this test important? This test helps your doctor detect medical conditions early, confirm or rule out a diagnosis, and monitor how well a treatment is working, which allows for timely decisions about your care.

Acinetobacter baumannii is a type of bacteria that can cause serious infections, especially in hospitalized patients, those in intensive care units, and people with weakened immune systems. It is known for being multidrug-resistant, meaning it can survive treatment with many common antibiotics. This test helps doctors quickly identify this specific bacteria so they can prescribe the most effective treatment. Fast and accurate identification is crucial because Acinetobacter baumannii infections can lead to severe complications like sepsis (blood poisoning) if not treated promptly.

How is the test performed? A trained healthcare professional will collect a small sample, usually a blood or urine sample, in a clinic or laboratory, and the sample is then analyzed with results sent to your provider.

The test is performed on a blood sample that has already been identified as positive for bacterial growth in a blood culture. The laboratory uses specialized equipment to extract and amplify the bacterial DNA, then uses probe technology to specifically identify Acinetobacter baumannii. This method is highly specific and can provide results faster than traditional culture methods alone.

Reference range

Not Detected - No Acinetobacter baumannii DNA detected in the specimenN/A

Specimen: whole-blood

No patient preparation required. This test is performed on content from a previously collected positive blood culture bottle. Collection instructions apply to the original blood culture draw, not this confirmatory test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is clinically significant because Acinetobacter baumannii is a leading cause of healthcare-associated infections, particularly in intensive care units. It can cause bloodstream infections, pneumonia, urinary tract infections, and wound infections. The bacteria's ability to resist multiple antibiotics makes it particularly dangerous. Early and accurate identification through this test enables healthcare providers to implement appropriate infection control measures and select effective antimicrobial therapy, which can significantly improve patient outcomes and help prevent the spread of this resistant organism in healthcare settings.

Frequently asked questions

Who needs this test?
This test is ordered for patients who have a positive blood culture result. It is especially important for hospitalized patients, especially those in ICU, those with weakened immune systems, or those who have recently had surgery or invasive procedures.
How long does it take to get results?
Because this test uses molecular detection methods, results are typically available faster than traditional culture methods. Your healthcare provider will receive results within 24-48 hours after the blood culture signals positive growth.
What happens if the test is positive?
A positive result confirms that Acinetobacter baumannii is causing the infection. Your healthcare team will use this information to determine the most appropriate antibiotic treatment. Additional tests may be done to check which antibiotics will be most effective.
Is this test painful?
The test is performed on a blood sample that has already been collected for the blood culture. The blood draw may cause brief discomfort, similar to any routine blood test.
Can family members get this infection?
Acinetobacter baumannii is primarily a concern in healthcare settings. While it can spread between patients in hospitals, especially through contact with contaminated surfaces or equipment, the risk to healthy family members is generally low. Hospital staff follow strict infection control procedures to prevent spread.
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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 16, 2026. · Read our editorial policy