Professional services (CMS-defined procedures)

G8975 — Documentation of medical reason(s) for patient having a hemoglobin level < 10 g/dl (e.g., patients who have non-renal etiologies of anemia [e.g., sickle cell anemia or other hemoglobinopathies, hypersplenism, primary bone marrow disease, anemia related to chemotherapy for diagnosis of malignancy, postoperative bleeding, active bloodstream or peritoneal infection], other medical reasons)

HCPCS code G8975 is used on U.S. medical bills for professional services (cms-defined procedures): Documentation of medical reason(s) for patient having a hemoglobin level < 10 g/dl (e.g., patients who have non-renal etiologies of anemia [e.g., sickle cell anemia or other hemoglobinopathies, hypersplenism, primary bone marrow disease, anemia related to chemotherapy for diagnosis of malignancy, postoperative bleeding, active bloodstream or peritoneal infection], other medical reasons).

  • Typical setting: Outpatient
  • National avg charge (illustrative): Medicare physician fee schedule — see CMS lookup tool.
  • Most-disputed reason: Service billed at a level not supported by documentation

What it means

What G8975 actually means

Documentation of medical reason(s) for patient having a hemoglobin level < 10 g/dl (e.g., patients who have non-renal etiologies of anemia [e.g., sickle cell anemia or other hemoglobinopathies, hypersplenism, primary bone marrow disease, anemia related to chemotherapy for diagnosis of malignancy, postoperative bleeding, active bloodstream or peritoneal infection], other medical reasons).

The official CMS HCPCS Level II descriptor for this code is shown above. If the description on your bill does not match the service you actually received, that is a reason to ask for the itemized bill and dispute the line.

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 G8975 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 G8975 often also see these adjacent codes on the same bill.

Related BillBusted guides

Plain-English reads if you see G8975 on a bill.

G8975 FAQ

Plain-English answers.

What is G8975 used for on a medical bill?

HCPCS code G8975 is used on medical bills for professional services (cms-defined procedures): Documentation of medical reason(s) for patient having a hemoglobin level < 10 g/dl (e.g., patients who have non-renal etiologies of anemia [e.g., sickle cell anemia or other hemoglobinopathies, hypersplenism, primary bone marrow disease, anemia related to chemotherapy for diagnosis of malignancy, postoperative bleeding, active bloodstream or peritoneal infection], other medical reasons). Up to 49% of medical bills contain at least one error (CFPB, 2023), and codes in this category most often get flagged for service billed at a level not supported by documentation. If you see G8975 on your bill, request the itemized statement and compare the units, date of service, and description to your Explanation of Benefits before paying.

How much should G8975 cost?

How much G8975 should cost depends on your payer and region. Up to 49% of medical bills contain at least one error (CFPB, 2023), and pricing for this HCPCS code is set by Medicare fee schedules for Medicare claims and by negotiated allowed amounts for commercial plans. Check the Medicare fee-schedule lookup tool, your insurer's member portal, or run a free BillBusted scan to compare your charge against typical allowed amounts.

Can I dispute a G8975 charge on my medical bill?

Yes, you can dispute a G8975 charge on your medical bill if the units, modifier, date of service, or coverage doesn't match the medical record or your insurance benefits. About 73.7% of patients who actually dispute a medical bill receive a correction (JAMA Health Forum, 2024). Request the itemized bill, compare to your EOB, and use BillBusted's Resolution Pack to draft the dispute letter if needed.

Don't pay G8975 blindly.

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