Ordering Recommendations

Not recommended for initial thyroid disorders testing. Distinguish thyroid autoimmune disorders from nonautoimmune disease or hypothyroidism.

Performed

Sun-Sat

Department

Sendout

Reported

Within 24 hours

Synonyms

  • Anti-Microsomal Antibody
  • Anti-TPO
  • Antimicrosomal Antibody
  • Antithyroid Antibodies
  • Antithyroid Antibodies, Microsomal Antibodies
  • Microsomal Antibodies, MMLNE
  • Microsomal Antibody
  • Thyroid Antibody Group
  • Thyroid Autoantibodies
  • Thyroid Microsomal Ab
  • Thyroid Microsomal Antibody
  • Thyroid Peroxidase
  • Thyroperoxidase Antibody
  • TPOAb

Preferred Specimen Container

Gold SST

Collect

Serum separator tube. Also acceptable: Lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Specimen Preparation

Transfer 0.5 mL serum or plasma to an ARUP standard transport tube. (Min: 0.3 mL)

Unacceptable Conditions

Grossly hemolyzed or lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 6 months

Reference Interval

0.0-9.0 IU/mL

Methodology

Quantitative Chemiluminescent Immunoassay

CPT Codes

86376

LOINC

  • 8099-4

ARUP Test Code

0050075
Ordering

Ordering Recommendations

Not recommended for initial thyroid disorders testing. Distinguish thyroid autoimmune disorders from nonautoimmune disease or hypothyroidism.

Performed

Sun-Sat

Department

Sendout

Reported

Within 24 hours

Synonyms

  • Anti-Microsomal Antibody
  • Anti-TPO
  • Antimicrosomal Antibody
  • Antithyroid Antibodies
  • Antithyroid Antibodies, Microsomal Antibodies
  • Microsomal Antibodies, MMLNE
  • Microsomal Antibody
  • Thyroid Antibody Group
  • Thyroid Autoantibodies
  • Thyroid Microsomal Ab
  • Thyroid Microsomal Antibody
  • Thyroid Peroxidase
  • Thyroperoxidase Antibody
  • TPOAb
Collect

Preferred Specimen Container

Gold SST

Collect

Serum separator tube. Also acceptable: Lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Specimen Preparation

Transfer 0.5 mL serum or plasma to an ARUP standard transport tube. (Min: 0.3 mL)

Unacceptable Conditions

Grossly hemolyzed or lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 6 months
Result Interpretation

Reference Interval

0.0-9.0 IU/mL

Methodology

Quantitative Chemiluminescent Immunoassay
Billing

CPT Codes

86376

LOINC

  • 8099-4

ARUP Test Code

0050075
SBL Lab Use ONLY

Add'l Information

Referral Lab
Laboratories.

ARUP Consult®

Disease Topics

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