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Official Description

Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; adenovirus

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 87809 refers to the detection of infectious agents, specifically adenovirus, through an immunoassay method that utilizes direct optical observation. Adenoviruses are a group of viruses known to cause a variety of infections, particularly affecting the membranes of the respiratory tract, eyes, intestines, and urinary tract. This code is specifically used for rapid detection techniques aimed at identifying adenoviral infections in the eye, which can lead to conditions such as conjunctivitis. The procedure involves a straightforward process where a sample collection pad is used to gather specimens from the inner eyelid, which is then analyzed according to the instructions provided in the rapid test kit. The results are visually assessed to confirm the presence of adenovirus, allowing for timely diagnosis and management of the infection.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 87809 is indicated for the rapid detection of adenovirus infections, particularly in the eye. The following conditions may warrant the use of this test:

  • Adenoviral Conjunctivitis - This condition, commonly known as pink eye, is characterized by inflammation of the conjunctiva caused by adenovirus.
  • Respiratory Infections - Adenoviruses can also lead to respiratory illnesses, and ocular symptoms may accompany these infections.
  • Other Adenoviral Infections - The test may be indicated in cases where adenovirus is suspected to be affecting the ocular region as part of a broader viral infection.

2. Procedure

The procedure for CPT® Code 87809 involves several key steps to ensure accurate detection of adenovirus through an immunoassay method. The following procedural steps are outlined:

  • Step 1: Preparation - The healthcare provider prepares the patient for the test by explaining the procedure and ensuring that the necessary materials, including the rapid test kit and sample collection pad, are readily available.
  • Step 2: Sample Collection - The lower eyelid of the patient is gently pulled back to expose the inner fornix. The sample collection pad, which is included in the rapid test kit, is then dabbed on the inside of the lower eyelid until it becomes saturated with the specimen.
  • Step 3: Processing the Sample - After collecting the sample, the pad is processed according to the specific instructions provided with the rapid test kit. This typically involves placing the saturated pad into a buffer solution for a designated period, allowing the immunoassay to occur.
  • Step 4: Result Development - The results of the test are allowed to develop for the specified amount of time as indicated in the kit instructions. This step is crucial for ensuring that the test results are accurate and reliable.
  • Step 5: Visual Observation - Finally, the results are read visually by the healthcare provider to determine the presence of adenovirus. The interpretation of the results will guide further clinical decisions regarding the patient's care.

3. Post-Procedure

After the procedure associated with CPT® Code 87809, the patient may be advised on several post-procedure considerations. It is important to monitor for any symptoms that may persist or worsen, as well as to follow up with the healthcare provider for further evaluation if necessary. Depending on the results of the test, appropriate treatment options may be discussed, including supportive care for viral infections. Patients should also be informed about hygiene practices to prevent the spread of adenoviral infections, especially if conjunctivitis is diagnosed.

Short Descr ADENOVIRUS ASSAY W/OPTIC
Medium Descr IAADIADOO ADENOVIRUS
Long Descr Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; adenovirus
Status Code Statutory Exclusion (from MPFS, may be paid under other methodologies)
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 9 - Not Applicable
Multiple Procedures (51) 9 - Concept does not apply.
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
Diagnostic Imaging Family 99 - Concept Does Not Apply
CLIA Waived (QW) Yes
APC Status Indicator Conditionally packaged laboratory tests
Type of Service (TOS) 5 - Diagnostic Laboratory
Berenson-Eggers TOS (BETOS) T1H - Lab tests - other (non-Medicare fee schedule)
MUE 2
CCS Clinical Classification 206 - Microscopic examination (bacterial smear, culture, toxicology)
QW Clia waived test
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
52 Reduced services: under certain circumstances a service or procedure is partially reduced or eliminated at the discretion of the physician or other qualified health care professional. under these circumstances the service provided can be identified by its usual procedure number and the addition of modifier 52, signifying that the service is reduced. this provides a means of reporting reduced services without disturbing the identification of the basic service. note: for hospital outpatient reporting of a previously scheduled procedure/service that is partially reduced or cancelled as a result of extenuating circumstances or those that threaten the well-being of the patient prior to or after administration of anesthesia, see modifiers 73 and 74 (see modifiers approved for asc hospital outpatient use).
79 Unrelated procedure or service by the same physician or other qualified health care professional during the postoperative period: the individual may need to indicate that the performance of a procedure or service during the postoperative period was unrelated to the original procedure. this circumstance may be reported by using modifier 79. (for repeat procedures on the same day, see modifier 76.)
GA Waiver of liability statement issued as required by payer policy, individual case
GZ Item or service expected to be denied as not reasonable and necessary
LT Left side (used to identify procedures performed on the left side of the body)
RT Right side (used to identify procedures performed on the right side of the body)
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
Date
Action
Notes
2022-01-01 Changed First appearance of change in codebook.
2021-01-01 Changed First appearance of change in CPT® Code Set.
2020-10-06 Changed Code description changed.
2008-01-01 Added First appearance in code book in 2008.
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Description
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