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Official Description

Virus isolation; inoculation of embryonated eggs, or small animal, includes observation and dissection

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

Virus isolation is a laboratory procedure used to detect the presence of a virus in a sample. In this specific context, the procedure involves the inoculation of embryonated eggs or small animals with a suspected virus. The primary goal is to observe the effects of the virus on the host and to confirm its presence through careful monitoring and dissection. This method is particularly useful in virology for identifying and studying viruses that may be responsible for infectious diseases. By using embryonated eggs or small animals, researchers can create a controlled environment to assess viral replication and pathogenicity, which is crucial for understanding the virus's behavior and potential impact on health.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The procedure of virus isolation through inoculation of embryonated eggs or small animals is indicated for the following:

  • Suspected Viral Infection This procedure is performed when there is a suspicion of a viral infection based on clinical symptoms or laboratory findings.
  • Research Purposes It is utilized in research settings to study the characteristics and behavior of specific viruses.
  • Vaccine Development The procedure is essential in the development of vaccines, as it helps in isolating and identifying viral strains.

2. Procedure

The procedure for virus isolation involves several critical steps to ensure accurate results.

  • Step 1: Sample Collection The first step involves collecting a sample from a patient or environment suspected of containing the virus. This sample may include bodily fluids, tissues, or other relevant materials.
  • Step 2: Inoculation The collected sample is then inoculated into embryonated eggs or small animals. This step is crucial as it allows the virus to infect the host and replicate, providing a suitable environment for observation.
  • Step 3: Observation After inoculation, the embryonated eggs or small animals are monitored for signs of viral infection. This observation period is essential for determining whether the virus is present and how it affects the host.
  • Step 4: Dissection If signs of infection are observed, dissection of the embryonated eggs or small animals may be performed to further analyze the effects of the virus and confirm its presence. This step provides valuable information about the virus's characteristics and behavior.

3. Post-Procedure

Post-procedure care involves monitoring the health of the embryonated eggs or small animals used in the procedure. It is essential to ensure that any adverse effects from the inoculation are managed appropriately. Additionally, researchers may analyze the data collected during the observation and dissection phases to draw conclusions about the virus's presence and characteristics. Proper documentation of the findings is crucial for future reference and research purposes.

Short Descr VIRUS INOCULATE EGGS/ANIMAL
Medium Descr VIRUS INOCULATION EGGS/SM ANIMAL OBS&DSJ
Long Descr Virus isolation; inoculation of embryonated eggs, or small animal, includes observation and dissection
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 1
CCS Clinical Classification 206 - Microscopic examination (bacterial smear, culture, toxicology)
GA Waiver of liability statement issued as required by payer policy, individual case
GX Notice of liability issued, voluntary under payer policy
Date
Action
Notes
2011-01-01 Changed Short description changed.
2001-01-01 Changed Code description changed.
Pre-1990 Added Code added.
Code
Description
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