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PheMerge Event Name

Published: August 9, 2026Updated: August 16, 2026

An event identifier used in a PheMerge record, generally associated with follow-up of an infant with a positive newborn screening result.

Quick summary

["This is a follow-up record identifier, not a standalone laboratory measurement or result."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
90064-7
Short code
PH emerg event name
Synonyms
PH emerg event name
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

PheMerge Event Name identifies a follow-up event in the PheMerge newborn screening record system. It is a documentation field rather than a direct measurement of a substance such as phenylalanine.

Why might I need this test?

Your infant’s care team may use this entry to coordinate follow-up after a positive newborn screening result. It helps connect screening information with confirmatory evaluation, dietary guidance, and ongoing monitoring when needed.

How is the test performed?

No separate specimen or laboratory procedure is represented by this event name. It is entered or generated as part of documenting and managing a newborn screening follow-up.

How do I prepare for the test?

No special preparation is required for this record field. Follow any instructions provided by the newborn screening or pediatric team if confirmatory blood testing or an appointment is being requested.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

A PheMerge event name is an administrative identifier and does not, by itself, show whether an infant has a disorder. Abnormal or concerning newborn screening findings may require confirmatory testing and, for some conditions, prompt nutritional or medical follow-up. The care team should interpret the event alongside the actual screening and confirmatory results.

Short name

Newborn screening follow-up event

Frequently asked questions

Does this entry provide a numeric laboratory result?
No. It identifies or describes a follow-up event in a PheMerge record rather than reporting a measured value.
Does a PheMerge event mean my child has a condition?
Not necessarily. The event may reflect that a newborn screen required follow-up, but a diagnosis generally depends on confirmatory testing and clinical evaluation.
What should I ask my child’s doctor?
Ask which screening or confirmatory results are related to the event, whether further testing is needed, and how the infant’s feeding and follow-up care should be managed.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 16, 2026. · Read our editorial policy