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Clindamycin Concentration in Serum/Plasma

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

This test measures the amount of clindamycin, an antibiotic, in your blood. It helps doctors check how your body is responding to treatment.

Quick summary

["Clindamycin levels help ensure your antibiotic is working effectively and avoid potential side effects."]

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

Key facts at a glance

LOINC
73034-1
Short code
Clindamycin (neut) IgG SerPl Ql FC
Synonyms
Clindamycin (neut) IgG SerPl Ql FC
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
flow-cytometry
CPT
82784
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 Is Done

Your healthcare provider may order this test if you’re taking clindamycin to treat infections like bacterial skin infections, respiratory infections, or certain types of pneumonia. It may also be used to monitor levels in patients with kidney issues or those receiving high doses of the medication.

How the Test Is Taken

A blood sample is drawn from a vein, usually in your arm. The sample is then sent to a lab for testing.

What to Expect Before the Test

There are no special preparations needed for this test. You may have some mild discomfort or bruising at the injection site, but this usually goes away quickly.

What the Results Mean

Results help doctors determine if your clindamycin levels are within the safe range for your treatment. Too low levels may mean the infection isn’t fully treated, while too high levels could increase side effects.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clindamycin is a critical antibiotic used to treat serious bacterial infections. Monitoring its levels helps prevent resistance, ensures effective treatment, and reduces risks of side effects like diarrhea or allergic reactions. Your provider will discuss results with you based on your specific medical needs.

Short name

Clindamycin Level

Frequently asked questions

Why might my clindamycin levels be checked regularly?
Regular monitoring is important if you have kidney problems, take high doses of clindamycin, or are receiving it through an IV. It helps your doctor adjust your treatment to stay within safe and effective ranges.
What are common side effects of clindamycin?
Side effects may include diarrhea, nausea, or allergic reactions. Severe but rare side effects can include life-threatening conditions like pseudomembranous colitis. Always report any unusual symptoms to your doctor.
How long does it take to get results?
Results are typically available within 1 to 3 business days, depending on your lab’s processing time.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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