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Serum or Plasma Mass Concentration of Metabolites Related to Porphyrin Synthesis (e.g., delta-Aminolevulinic Acid, ALA)

Published: August 9, 2026Updated: August 17, 2026

This test measures certain chemicals produced during the body’s natural breakdown of heme, a component of red blood cells. It helps assess how well your liver and bone marrow are functioning in producing healthy red blood cells.

Quick summary

["Helps diagnose conditions affecting red blood cell production or liver function."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
110891-9
Short code
ZPP Msmt RBC
Synonyms
ZPP Msmt RBC
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Ref low
4.2
Ref high
5.9
Critical range
2 N/A – 7 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
85041
SNOMED
900000000000003001
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What This Test Measures

The test detects specific metabolites involved in heme synthesis, such as delta-aminolevulinic acid (ALA) and coproporphyrin. These substances are intermediates in the process that turns iron into the protein heme, which is essential for red blood cells. Abnormal levels may indicate issues like anemia, liver disease, or certain genetic disorders.

When You Might Need This Test

Your doctor may order this test if you have symptoms like fatigue, weakness, pale skin, or unexplained anemia. It’s also used in monitoring conditions like porphyria (a rare inherited disorder affecting heme production) or during treatment for conditions like lead poisoning, which can disrupt these metabolic pathways.

How the Test Works

A blood sample is taken and analyzed using advanced laboratory techniques, likely high-performance liquid chromatography (HPLC) or similar methods, to measure the concentration of specific metabolites in serum or plasma.

Common Conditions This Test Helps Identify

Elevated or low levels of these metabolites can signal problems such as anemia (especially megaloblastic or sideroblastic types), liver disease, or inherited metabolic disorders like acute intermittent porphyria. It may also be used to monitor treatment responses or detect early signs of metabolic imbalances.

Reference range

Adult males: 4.2-5.9; Females: 3.8-5.1 x 10^12/LN/A

Specimen: whole-blood

No special preparation required. Stay well hydrated.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is primarily used to diagnose or monitor conditions affecting red blood cell production or heme metabolism. It’s not a routine screening test but is critical for patients with suspected porphyria, liver disease, or those undergoing treatments that could impact these pathways.

Short name

Porphyrin Metabolite Profile

Frequently asked questions

Why might my doctor recommend this test?
Your doctor may recommend this test if you have symptoms like fatigue, unusual pain, or if they suspect a metabolic disorder like porphyria or liver issues. It helps pinpoint whether your body’s heme production is functioning normally.
What does it mean if my test results are abnormal?
Abnormal results could indicate conditions like anemia, liver disease, or a rare inherited disorder. Your doctor will discuss the findings with you and may recommend further testing or adjustments to your treatment plan.
How often should I get this test?
The frequency depends on your health condition. If you have a known metabolic disorder or are being monitored for one, your doctor may schedule follow-up tests regularly. Otherwise, it’s usually done only when symptoms or concerns arise.
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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 17, 2026. · Read our editorial policy