74910-1
LOINC Code
| LOINC code | 74910-1 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| name | |||||||||||||||||||
| description | Measurement of porphyrins in 24 urine is performed for diagnosis of various porphyria disorders, including porphyrin cutanea tarda, hereditary coproporphyria, variegate porphyria, and congenital erythropoietic porphyria. | ||||||||||||||||||
| status | ACTIVE | ||||||||||||||||||
Fully-Specified Name | |||||||||||||||||||
| component | Porphyrin fractions & creatinine panel | ||||||||||||||||||
| property | SRto = Substance Ratio | ||||||||||||||||||
| time | 24H = 24 hours | ||||||||||||||||||
| system | Urine | ||||||||||||||||||
| scale | - | ||||||||||||||||||
| method | |||||||||||||||||||
Additional Names | |||||||||||||||||||
| short name | 1 day; 24 hours; 24HR; Chemistry; CR; Crea; Creat; Creat Pnl; Frac; Fract; Fraction; Fractionated; Fractionation; Pan; PANEL.CHEMISTRY; Panl; Pnl; Porph Fract+Creat Pnl; Scrto; Substance concentration ratio; Substance ratio; UA; UCr; UR; Urn | ||||||||||||||||||
Basic Attributes | |||||||||||||||||||
| class | PANEL.CHEM | ||||||||||||||||||
| type | 1 Laboratory | ||||||||||||||||||
| order vs. observation | Porph Fract+Cre | ||||||||||||||||||
Panel Components | |||||||||||||||||||
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History/Usage | |||||||||||||||||||
| first released | |||||||||||||||||||
| last updated | 2.63 | ||||||||||||||||||
| last change type | MIN - change to field other than name | ||||||||||||||||||
Related Names | |||||||||||||||||||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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