Isoleucine

ChemistryAlso known as: L-IsoleucineN/A

Qualitatively screens for abnormal isoleucine amino acid levels in blood.

Normal Range

Consult your provider

N/A

Abnormal Levels

Consult your provider

Specimen Type

Blood

Why This Biomarker Matters

Abnormal isoleucine levels indicate inherited metabolic disorders or nutritional problems. Detection allows early intervention to prevent neurological damage and manage protein metabolism.

Overview

Isoleucine is an essential amino acid your body cannot produce and must obtain from dietary protein. This qualitative test screens for abnormal isoleucine levels, which may indicate metabolic disorders affecting amino acid processing. Elevated isoleucine can suggest conditions like maple syrup urine disease or branched-chain ketoaciduria, while low levels may reflect protein malnutrition or liver disease. Results help identify metabolic disorders and nutritional status.

Technical Information (LOINC Codes)

Standardized laboratory codes for this biomarker

2507-2Primary

Isoleucine [Presence] in Serum or Plasma

2510-6

Isoleucine [Mass/time] in 24 hour Urine

mg/(24.h)

2509-8

Isoleucine [Mass/volume] in Urine

mg/dL

2508-0

Isoleucine [Mass/volume] in Serum or Plasma

mg/dL

25450-8

Isoleucine [Moles/time] in 24 hour Urine

mmol/(24.h)

22714-0

Isoleucine [Moles/volume] in Specimen

umol/L

22659-7

Isoleucine [Moles/volume] in Cerebral spinal fluid

umol/L

20648-2

Isoleucine [Moles/volume] in Serum or Plasma

umol/L

55929-4

Isoleucine [Moles/mass] in Hair

umol/g

13402-3

Isoleucine [Mass/volume] in Amniotic fluid

mg/dL

9743-6

Isoleucine [Mass/volume] in Cerebral spinal fluid

mg/dL

17029-0

Isoleucine [Presence] in Urine

25938-2

Isoleucine [Moles/volume] in 24 hour Urine

mmol/L

26730-2

Isoleucine [Moles/volume] in Amniotic fluid

umol/dL

26965-4

Isoleucine [Moles/volume] in Urine

nmol/mL

32251-1

Isoleucine [Moles/volume] in Body fluid

umol/L

32252-9

Isoleucine [Moles/volume] in Vitreous fluid

umol/L

47671-3

Isoleucine [Moles/volume] in DBS

umol/L

Available Lab Tests

Order tests that measure this biomarker

Amino Acids (Plasma)

$193.00

Results in 3-7 business days