Lab & pathology

82947 — Glucose; quantitative, blood

A standard blood test that measures the amount of sugar (glucose) in the blood using a laboratory analyzer rather than a bedside strip.

  • Typical setting: Hospital lab, reference lab, doctor's office
  • National avg charge (illustrative): $5–$12 Medicare allowed (CMS CLFS); $8–$40 commercial; varies by region
  • Most-disputed reason: Billing 82947 when 82948 (glucose by reagent strip) was actually performed — if a bedside glucometer was used, the correct code is 82948

What it means

What 82947 actually means

A standard blood test that measures the amount of sugar (glucose) in the blood using a laboratory analyzer rather than a bedside strip. It is ordered to screen for or monitor diabetes, hypoglycemia, and other metabolic conditions.

Common errors with this code

What goes wrong on real bills.

Most bills that look correct still contain at least one of these issues. Up to 49% of medical bills contain errors (CFPB).

If you see 82947 on your bill

Three steps before paying.

1. Get the itemized bill. If your statement only shows a summary, request the CPT-level itemized bill before paying. Generate the request language →

2. Cross-check against the EOB. Compare what your insurer's Explanation of Benefits says you owe versus what the hospital is asking. They disagree more often than people think. Read the bill-vs-EOB guide →

3. Run a free Bill Scan. Upload the bill (and EOB if you have it) and BillBusted will flag the most likely issues with this specific code in your specific state. Run free scan →

Related codes

Other codes in this category.

People who land on 82947 often also see these adjacent codes on the same bill.

Related BillBusted guides

Plain-English reads if you see 82947 on a bill.

82947 FAQ

Plain-English answers.

What does 82947 usually cost?

$5–$12 Medicare allowed (CMS CLFS); $8–$40 commercial; varies by region. Costs vary by region, payer contract, and whether the service was performed in a hospital outpatient department (which adds a facility fee) versus a free-standing clinic.

What's the most common billing error on 82947?

Billing 82947 when 82948 (glucose by reagent strip) was actually performed — if a bedside glucometer was used, the correct code is 82948

What should I do if I see 82947 on my bill?

Request the itemized bill and the matching EOB from your insurer. Compare the units/quantity billed against what you actually received. Run a free BillBusted scan to flag the most likely errors specific to 82947 before paying.

Don't pay 82947 blindly.

The free scan tells you in under 60 seconds whether this charge looks reasonable for your situation.