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