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Official Description

Infectious agent detection by nucleic acid (DNA or RNA); Herpes simplex virus, quantification

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 87530 refers to the detection of infectious agents through nucleic acid techniques, specifically focusing on the quantification of the Herpes simplex virus (HSV). This procedure utilizes either DNA or RNA to identify the presence of HSV, which is a virus that can cause significant health issues, particularly in vulnerable populations such as neonates and immunocompromised individuals. The quantification process provides valuable information regarding the viral load, which can be crucial for assessing the severity of the infection and monitoring the effectiveness of treatment interventions. Herpes simplex virus is transmitted primarily through direct contact, and the initial infection often manifests as ulcerations on the skin or mucous membranes. Following this primary infection, the virus can enter a latent state, reactivating under certain conditions such as stress or illness. There are two distinct types of HSV: type 1, which is commonly associated with oral herpes (cold sores) but can also lead to genital infections, and type 2, which primarily causes genital herpes. The testing process involves obtaining a specimen from various sources, including oral or genital lesions, vitreous fluid from the eye, or blood samples. The quantification of HSV through this code is essential for understanding the dynamics of the infection and guiding clinical decisions.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure associated with CPT® Code 87530 is indicated for the detection and quantification of the Herpes simplex virus (HSV) in patients who may present with symptoms or conditions related to HSV infection. The following are specific indications for performing this procedure:

  • Primary Infection Symptoms Patients exhibiting signs of primary HSV infection, which may include ulceration in the skin or mucous membranes.
  • Reactivation Symptoms Individuals experiencing reactivation of HSV, often triggered by stress, illness, or other factors.
  • Risk Assessment Neonates and immunocompromised patients who are at increased risk for developing severe complications, such as ocular or central nervous system infections.
  • Monitoring Treatment Patients undergoing treatment for HSV infection, where quantification of the viral load is necessary to evaluate the severity of the infection and response to therapy.

2. Procedure

The procedure for CPT® Code 87530 involves several critical steps to ensure accurate detection and quantification of the Herpes simplex virus. The following outlines the procedural steps:

  • Specimen Collection A specimen is obtained from a relevant source, which may include an oral or genital lesion, vitreous fluid from the eye, or a blood sample. The choice of specimen depends on the clinical presentation and suspected site of infection.
  • Amplification of Nucleic Acids The collected specimen undergoes a process where nucleic acids are amplified using techniques such as polymerase chain reaction (PCR). This step is crucial when low levels of HSV nucleic acids are suspected, as it enhances the likelihood of detection.
  • Quantification Following amplification, the next step involves quantifying the amplified product. This quantification provides a numerical assessment of the amount of HSV-1 and/or HSV-2 present in the specimen, which is essential for evaluating the severity of the infection.
  • Result Interpretation The results of the quantification are interpreted to determine the viral load, which can inform clinical decisions regarding treatment and management of the infection.

3. Post-Procedure

After the procedure associated with CPT® Code 87530, it is important to consider the following aspects of post-procedure care and follow-up:

Patients may require counseling regarding the implications of their test results, particularly if quantification indicates a high viral load. This information can guide further treatment decisions and monitoring strategies. Additionally, healthcare providers should ensure that patients understand the importance of follow-up appointments to assess treatment efficacy and manage any potential complications associated with HSV infection. Regular monitoring may be necessary for individuals with recurrent infections or those at higher risk for severe disease.

Short Descr HSV DNA QUANT
Medium Descr IADNA HERPES SOMPLX VIRUS QUANTIFICATION
Long Descr Infectious agent detection by nucleic acid (DNA or RNA); Herpes simplex virus, quantification
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) No
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)
90 Reference (outside) laboratory: when laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number.
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.
91 Repeat clinical diagnostic laboratory test: in the course of treatment of the patient, it may be necessary to repeat the same laboratory test on the same day to obtain subsequent (multiple) test results. under these circumstances, the laboratory test performed can be identified by its usual procedure number and the addition of modifier 91. note: this modifier may not be used when tests are rerun to confirm initial results; due to testing problems with specimens or equipment; or for any other reason when a normal, one-time, reportable result is all that is required. this modifier may not be used when other code(s) describe a series of test results (eg, glucose tolerance tests, evocative/suppression testing). this modifier may only be used for laboratory test(s) performed more than once on the same day on the same patient.
GW Service not related to the hospice patient's terminal condition
GZ Item or service expected to be denied as not reasonable and necessary
XS Separate structure, a service that is distinct because it was performed on a separate organ/structure
XU Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service
Date
Action
Notes
2011-01-01 Changed Short description changed.
1998-01-01 Added First appearance in code book in 1998.
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