HIV Antiretroviral Therapy (ART) Medication Adherence Assessment (4-Day Missed Doses)
This test helps assess whether you’ve consistently taken your HIV medications over the past four days.
["Checking if your HIV treatment is being followed as prescribed is key to managing your health."]
Key facts at a glance
- LOINC
- 45264-9
- Short code
- HIV ART Rx doses missed 4 days ago
- Synonyms
- HIV ART Rx doses missed 4 days ago
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- reported-actg
- CPT
- 86701
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Matters
HIV medications work best when taken exactly as prescribed. Missing doses can reduce their effectiveness, potentially leading to viral resistance or treatment failure. This test is part of monitoring your adherence to ensure your therapy remains effective.
What to Expect Before the Test
No special preparation is needed. Blood will be drawn from a vein in your arm, similar to other routine blood tests. The process is quick and typically done in a clinic or lab setting.
What the Results Mean
This test does not directly measure missed doses but may be used alongside other adherence tracking methods (e.g., pill counts, patient self-reports). Results are reviewed by your healthcare provider to discuss strategies for improving medication adherence if needed.
How Adherence Affects Your Health
Consistent adherence to HIV medications helps control the virus, reduces side effects, and lowers the risk of developing drug-resistant strains. Missing doses may lead to viral rebound, where the virus becomes harder to control and requires stronger or different medications.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical significance: Poor adherence can compromise long-term viral suppression and increase the risk of complications like opportunistic infections or HIV progression. Your provider may use this information to adjust support strategies, such as reminders, simplified dosing schedules, or counseling.
Short name
HIV Medication Adherence Check
Frequently asked questions
Will this test show exactly how many doses I missed?
How often should I get this test?
Can I take this test at home?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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