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RENIN ACTIVITY

Mnemonic

Renin

Synonym

Plasma Renin

Guidelines

Supine:
1. Specimen should be obtained between 8 a.m. and 10 a.m. after at least 2 hours in supine position.
2. Normal sodium diet (100-200 mEq/day) for at least 3 days.
3. Take no medications known to affect renin-aldosterone system.
Upright:
1. Specimen should be obtained before noon, after at least 2 hours in upright position, seated or standing.
2. Normal sodium diet (100-200 mEq/day) for at least 3 days.
3. Take no medications known to affect renin-aldosterone system.

Specimen Collection Requirements

Collect

Plasma, lavender (EDTA) top tube

Handling

CRITICAL FROZEN. Separate samples must be submitted when multiple tests are ordered. Separate plasma from cells and freeze immediately. Do not collect in refrigerated tubes.

Preferred Volume

2.0 mL

Minimum Volume

1.2 mL

Transport

Frozen

Rejection Criteria

Serum, specimens collected in heparin, citrate or oxalate, refrigerated or hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month

Testing Information

Performed

7 days/week

Reported

2-4 days

Method

Quantitative Radioimmunoassay

Referral Lab

ARUP (70105)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

84244

Last Updated: Thursday, January 5, 2017 03:41:35 AM


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