Chlamydiaagmsmtnph
Key facts at a glance
- LOINC
- 109692-4
- Short code
- CHLAGNP
- Synonyms
- Chlamydia Ag Msmt Nph
- Category
- chemistry
- Sample
- serum
- Container
- Sterile viral transport medium (VTM) or sterile saline in a leak-proof, screw-cap container
- Units
- N/A
- Ref low
- 7.35
- Ref high
- 7.45
- Critical range
- 7.2 N/A – 7.6 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 0 years
- Method
- Direct immunofluorescence assay (DFA), enzyme immunoassay (EIA), or lateral flow immunochromatographic assay for Chlamydia species antigen detection
- CPT
- 87486
- SNOMED
- 441956003
- Specimen volume
- 1-2 mL of nasopharyngeal aspirate or wash; flocked or polyester nasopharyngeal swab placed in transport medium
- Stability
- Refrigerate at 2-8°C and process within 24 hours; for prolonged storage, freeze at -70°C or below. Do not freeze at -20°C.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 2–24 hours
- Order
- routine
Reference range
NCBI: pH 7.35-7.45N/A
No fasting required. Patient should avoid eating, drinking, or using nasal sprays for at least 1 hour prior to specimen collection. Recent antibiotic therapy may result in false-negative results; ideally, specimens should be collected before initiating antimicrobial therapy.
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 17, 2026. · Read our editorial policy