Hematology Billing Services

Hematology practices treat conditions that last for years, such as anemia, clotting disorders, and blood cancers. Many patients need regular infusions or injections, so a large share of revenue comes from drugs and administration. Those claims depend on exact drug codes, units, and lab values on the claim.

Diagnosis detail matters just as much. Payers often link a drug to a specific condition and to a recent hemoglobin or hematocrit result. A missing value can stop payment. Westmont Revenue Partners connects hematology practices with vetted billing experts who understand hematology billing, including infusion rules and drug-related documentation.

Who this is for

• Hematologists in private practice
• Combined hematology and oncology groups
• Practices with an in-house infusion suite
• Hospital-affiliated blood disorder clinics
• Clinics focused on clotting and bleeding disorders
• Nurse practitioners and physician assistants in hematology

What gets billed

• New and established patient office visits
• Therapeutic infusions, such as iron
• Chemotherapy and biologic infusions
• Injections of drugs that raise red blood cell counts
• Venous access device flushing
• Infusion hours beyond the first
• Blood count and other lab tests, where done in-office
• Treatment planning and care coordination visits
• Chemotherapy-related visits for blood cancers

Commonly billed codes

Code	Type	What it covers
99214	CPT	Established patient office visit at a moderate level
99215	CPT	Established patient office visit at a high level
96365	CPT	Therapeutic infusion, first hour
96366	CPT	Therapeutic infusion, each additional hour
96413	CPT	Chemotherapy infusion, first hour
96415	CPT	Chemotherapy infusion, each additional hour
96523	CPT	Flushing a venous access device in the office
J0881	HCPCS	Darbepoetin alfa injection for non-dialysis use, per 1 mcg
J0885	HCPCS	Epoetin alfa injection for non-dialysis use, per 1,000 units
D50.9	ICD-10-CM	Iron deficiency anemia, unspecified
D64.9	ICD-10-CM	Anemia, unspecified
D69.6	ICD-10-CM	Low platelet count, unspecified
C91.10	ICD-10-CM	Chronic lymphocytic leukemia, not in remission

Note

Codes are examples for orientation, not a complete list, and do not guarantee coverage or payment. Always check current code sets and payer policy.

Billing challenges in hematology

Lab values on drug claims. Claims for red blood cell stimulating drugs generally must report a recent hemoglobin or hematocrit value. A biller makes sure the value is in the chart and on the claim before submission.

Drug codes and units. Each drug has its own code, and units depend on the dose and the product billed. A biller checks the order and the administration record so units match.

Infusion time documentation. Start and stop times decide whether additional hours can be billed. A biller reviews nursing records for complete times.

Choosing therapeutic versus chemotherapy codes. Not every infusion is billed as chemotherapy, even in a hematology practice. Payer policy and the drug decide the code. A biller confirms the correct family before billing.

Prior authorization and step therapy. Many drugs need approval, and some payers require trying other options first. A biller tracks authorization dates and quantities to avoid gaps in treatment.

Diagnosis support for medical necessity. Anemia and platelet claims need a diagnosis that fits payer policy. A biller works with clinicians so the cause is documented, not just the lab result.

Buy-and-bill cash flow. Practices that buy and bill drugs carry cost until payment arrives. A biller follows these claims closely and manages underpayments.

How Westmont can help

• Matching you with vetted billing experts experienced in hematology and infusion billing
• End-to-end revenue cycle support, from authorization through payment posting
• Denial management for drug and administration claims
• Credentialing support for new providers and payer enrollment
• Reporting by drug, payer, and denial reason

Frequently asked questions

Why do payers ask for hemoglobin values on anemia drug claims?

Many payers and Medicare contractors link coverage of red blood cell stimulating drugs to a recent lab result. If the value is missing or outside policy, the claim can be denied. Requirements differ by payer and change over time. A biller checks current policy and makes sure the value appears on the claim.

How do I know whether an infusion is billed as therapeutic or chemotherapy?

It depends on the drug and the payer's policy, not just the clinic type. Some drugs are billed under chemotherapy codes, while others use therapeutic infusion codes. Documentation should name the drug, dose, and purpose. A billing expert can check payer guidance so the correct family is used.

Can additional infusion hours be billed?

Add-on hours can be billed when the infusion time supports them and the chart shows start and stop times. Payers also have rules about how long a service must run before the next unit counts. A biller reviews the infusion record and applies the current coding rules.

What drives hematology denials?

Common causes are missing authorization, a diagnosis that does not match policy, incorrect units, and absent lab values. Buy-and-bill drugs can also bring underpayments. A biller catches many of these before submission and follows up on the rest.

Should a hematology practice outsource its billing?

It may help if drug claims are time-consuming or denials are rising. Westmont does not submit claims itself. We connect you with vetted billing experts, and you decide whether a match fits your practice.

Related billing services

• Oncology Billing
• Infusion Center Billing
• Infectious Disease Billing
• Nephrology Billing
• Pathology Billing