Summary & Overview
HCPCS G8975: Documentation of Non-Renal Anemia (Hgb < 10 g/dl)
HCPCS Level II code G8975 documents the medical rationale for a hemoglobin level below 10 g/dl when anemia arises from non-renal causes. Nationally, clear documentation of non-renal etiologies—such as sickle cell disease, marrow disorders, chemotherapy-related anemia, postoperative bleeding, or active infections—affects clinical decision-making, quality reporting, and claims adjudication. This code is used across inpatient and outpatient settings where clinicians must record the underlying medical reasons for significant anemia.
Key payers examined include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage policies and documentation expectations vary across commercial plans and Medicare, making standardized use of the code important for consistent claims processing and medical record transparency.
Readers will find a concise explanation of the code's clinical intent and typical sites of service, an overview of payer coverage considerations, and guidance on what documentation elements payers commonly expect. The publication also highlights common modifiers associated with billing workflows and notes where input data is not available. The goal is to clarify the code's purpose and operational context for clinicians, coding professionals, and revenue cycle staff working at a national level.
Billing Code Overview
HCPCS Level II code G8975 documents the medical reason(s) for a patient having a hemoglobin level below 10 g/dl when anemia is due to non-renal etiologies. Examples in the code description include sickle cell anemia and other hemoglobinopathies, hypersplenism, primary bone marrow disease, anemia related to chemotherapy for a diagnosis of malignancy, postoperative bleeding, and active bloodstream or peritoneal infection. The code captures clinical documentation that explains why a low hemoglobin value is attributable to medical conditions other than chronic kidney disease.
Service type: Clinical documentation / medical record abstraction for anemia evaluation
Typical site of service: Inpatient and outpatient clinical settings where anemia evaluation and documentation occur, including hospitals, specialty clinics (hematology/oncology), and ambulatory care facilities.
Clinical & Coding Specifications
Clinical Context
A 58-year-old woman with metastatic breast cancer receiving cytotoxic chemotherapy presents to the oncology clinic for routine labs and is found to have a hemoglobin of 8.6 g/dL. The oncology advanced practice provider documents the medical reason for hemoglobin < 10 g/dL as chemotherapy-induced anemia related to her recent cycle, noting symptoms of fatigue and dyspnea on exertion. The chart includes review of recent transfusion history, iron studies, reticulocyte count, and evaluation for renal dysfunction to exclude erythropoietin-deficiency related causes. The provider documents the clinical rationale for not pursuing transfusion immediately and for considering erythropoiesis-stimulating agent therapy after weighing risks, or for scheduling iron infusion if iron-deficiency is confirmed. Documentation includes date/time, relevant lab values, concurrent infections ruled out, and linkage to the active cancer diagnosis and chemotherapy regimen.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased Procedural Services | Use when the documentation supports substantially greater work or complexity for evaluation related to anemia documentation beyond typical visit content |
23 | Unusual Anesthesia |