Chlamydia (NAAT)

CPT: 87491
Infectious Disease

What This Test Measures

Nucleic acid amplification test for Chlamydia trachomatis; most sensitive STI test available.

Preparation

No fasting required

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Most sensitive method; urine or swab specimen

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

A56.9Chlamydial infection, unspecified
Z11.8Encounter for screening for other infectious and parasitic diseases

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Lab Codes

Proprietary codes used by each lab for this test.

ACL Laboratories
LAB9912(order_code)
BioReference Laboratories
0257-6(order)
BioReference Laboratories
3852-1(order_code)
LabCorp
183879(order_code)
Quest Diagnostics
11363(order_code)

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Related Tests

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CPT: 87591

CT/NG NAAT (Combined)

CPT: 87491, 87591

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CPT: 87510

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CPT: 86644, 86645

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CPT: 86663, 86664, 86665

Blood Culture

CPT: 87040

For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.