Type your tag names separated by a space and hit enter

Porphyrins, Urine

Porphyrins, Urine is a topic covered in the Davis's Lab & Diagnostic Tests.

To view the entire topic, please or purchase a subscription.

Nursing Central is the award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:

Nursing Central

-- The first section of this topic is shown below --


Coproporphyrin, porphobilinogen, urobilinogen, and other porphyrins.

Common Use:
To assess for porphyrins in the urine to assist with diagnosis of genetic disorders associated with porphyrin synthesis as well as heavy metal toxicity.

Urine from a random or timed specimen collected in a clean, amber-colored plastic collection container with sodium carbonate as a preservative.

Normal Findings:
(Method: High-performance liquid chromatography for porphyrins; spectrophotometry for δ-aminolevulinic acid and porphobilinogen)

TestConventional UnitsSI Units
(Conventional units × 1.53)
Coproporphyrin I0–24 mcg/24 h0–36.7 nmol/24 hr
Coproporphyrin III0–74 mcg/24 hr0–113.2 nmol/24 hr
(Conventional units × 1.43)
Uroporphyrins0–24 mcg/24 hr0–34.3 nmol/24 hr
(Conventional units × 1.34)
HexacarboxylporphyrinLess than 1 mcg/24 hrLess than 1.34 nmol/24 hr
(Conventional units × 1.27)
HeptacarboxylporphyrinLess than 4 mcg/24 hrLess than 5.1 nmol/24 hr
(Conventional units × 4.42)
PorphobilinogenLess than 2 mg/24 hrLess than 8.8 micromol/24 hr
(Conventional units × 7.626)
δ-Aminolevulinic acid1.5–7.5 mg/24 hr11.4–57.2 micromol/24 hr

-- To view the remaining sections of this topic, please or purchase a subscription --


* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Porphyrins, Urine ID - 425047 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425047/all/Porphyrins__Urine PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -