Hematology and Oncology BillingComplete Coding & Revenue Guide (2026)Top CPT codes with current RVU data, denial patterns, modifier rules, bundling pitfalls, and revenue opportunities for hematology and oncology practices.
Top CPT Codes
The highest-value hematology and oncology CPT codes with current RVU data and Medicare payment from the CY 2026 Physician Fee Schedule. Click any code for the full payment, bundling, and modifier guide.
Most practices under-capture revenue on these codes through downcoding, missed modifier 25, stale fee schedules, or misapplied bundling. Our coders audit every line against the documentation before submission so the revenue earned actually gets billed.
Bundling Pitfalls
4 trapsThe code pairs that trigger NCCI edits and CO-97 denials in hematology and oncology. Know these before billing.
96413: 96415: Chemo IV infusion: 96413 = first hour (new drug/substance). 96415 = each additional hour (same drug). If giving 2 different chemo drugs, the SECOND drug starts with 96413 again. Cannot bill two 96413s for the same drug.
96413: 96365: Chemo infusion (96413) vs therapeutic infusion (96365): Antineoplastic agents = 96413. Supportive agents (anti-emetics, hydration) = 96365. Pre-hydration gets its own code (96360/96361). Each is separately billable but document start/stop times.
96372: 96401: SC/IM injection (96372 non-chemo) vs (96401 chemo SC/IM). Classify correctly — pegfilgrastim (Neulasta) is supportive care (96372), NOT chemotherapy.: 96413: 99215: E/M on chemo day: separately billable with modifier 25 IF a separately identifiable problem is evaluated. Routine chemo day assessment (vitals, symptom check) without new clinical decision-making does NOT qualify.
38220: 38222: Bone marrow aspiration (38220) + biopsy (38222) same site same session: Bill BOTH. They are separately billable procedures. This is NOT bundling — CMS explicitly allows both.
CO-97 bundling denials are recoverable with correct modifier documentation. Most billers write them off. We work each one against the clinical record and resubmit with the right modifier 25 or 59 path.
Modifier Guidance
When to apply each modifier in hematology and oncology claims. Wrong modifier application is the top single-line denial trigger and a leading audit target.
Increased procedural service — use for complex bone marrow biopsies (fibrotic marrow, morbidly obese patient, multiple attempts). Requires documentation of complexity.
Required on E/M when billing same-day as chemo admin. Must document a separately identifiable clinical problem or treatment decision beyond chemo monitoring.
Professional component — use when interpreting pathology (88305-26), imaging (CT/PET interpretations), or bone marrow at external facility.
Distinct procedure — use for multiple infusion services on same day (different drugs, different IV lines, different encounter purposes).
Repeat procedure — use for repeat blood draw or repeat infusion attempt on same day due to infiltration.
Drug waste — REQUIRED for all Part B drugs when vial has leftover medication. Document drug name, units administered, and units wasted. CMS mandates JW reporting.
Resident billing — GC for services under teaching physician, GE for GME training.
Revenue Opportunities
7 playsThe billing codes and services most hematology and oncology practices under-capture. Each one is a recurring revenue lift, not a one-time fix.
Chemotherapy infusion revenue: Average chemo infusion day = $2,000-8,000 in drug revenue + $400-800 in admin fees. A 10-chair infusion center running 5 days/week = $2M-5M/year in revenue. This is the economic engine of oncology.
Immunotherapy: Pembrolizumab (Keytruda), nivolumab (Opdivo), atezolizumab (Tecentriq) — each infusion generates $8,000-15,000 in drug revenue. Growing indications across tumor types.
Oral chemotherapy management: 96167/96170 (pharmacist management) or E/M visits for oral chemo monitoring. Monthly visits for medication management capture E/M revenue + ensure adherence.
Bone marrow biopsy: 38220 ($150) + 38222 ($250) = $400 per procedure. In-office bone marrow saves patients a facility visit and captures revenue. Equipment cost: minimal (biopsy needles $30-50 each).
Genetic counseling and testing: 96040 (genetic counseling) pays $80-120. BRCA testing, Lynch syndrome testing generate referrals and management visits. Oncotype DX, Foundation One CDx inform treatment decisions.
Clinical trials enrollment: Per-case reimbursement for enrolling patients in clinical trials + routine care billing (NCI Coverage Analysis). Drug is free, but E/M, labs, imaging are billable to insurance.
Documentation Checklist
What the chart must contain to support billing. Missing documentation means audit vulnerability.
- Chemotherapy administration (96413-96417): Document each drug: name, dose, route, infusion duration (start/stop times for each drug), sequence of administration, and any adverse reactions. Pre-medications documented separately with their own times.
- Cancer staging and treatment plan: Document tumor type, stage (TNM or AJCC), grade, biomarkers (ER/PR/HER2 for breast, KRAS for colon, PD-L1 for lung, etc.), treatment intent (curative vs palliative), regimen name, cycle number, and response assessment.
- Bone marrow biopsy (38220/38222): Document indication (cytopenias, staging, MDS evaluation), site (posterior iliac crest), needle type, adequacy of specimen, gross appearance (cellularity, spicules), and complications.
- Hematologic malignancy management: Document disease status (complete remission, partial response, stable, progression), treatment phase (induction, consolidation, maintenance), lab monitoring (CBC, metabolic panel, LDH, tumor markers), and toxicity grading (CTCAE).
- Survivorship care: Document cancer type, treatment received, surveillance plan (imaging frequency, lab monitoring), late effects screening, and psychosocial assessment. Use Z85.x codes for personal history.
Coding Workflow
Step by step approach for coding hematology and oncology encounters correctly.
1. Determine encounter type: E/M (office or inpatient) vs chemo admin vs both vs procedure (biopsy, port placement). 2. For chemotherapy days: document each drug with infusion times. Bill sequentially: hydration (96360) → pre-meds (96372/96375) → first chemo drug (96413 + 96415 for additional hours) → second chemo drug (96413 + 96415). 3. For E/M same day as chemo: requires modifier 25 with separately identifiable problem documentation. 4. For bone marrow: bill aspiration (38220) AND biopsy (38222) — both are separately billable. 5. Code cancer to highest specificity: C50.911 (right breast) not C50.919 (unspecified). Include morphology/histology. 6. For imaging: staging CT/PET billed separately. Radiation therapy planning (77263/77280/77290) billed by radiation oncology. 7. Drug J-codes: bill each drug with correct HCPCS (J9271 pembrolizumab, J9228 ipilimumab, etc.) with correct units.
Find the revenue leakage in your hematology and oncology billing.
We audit your last 90 days of hematology and oncology claims, surface the recoverable revenue, and work the appeals. AAPC-certified coders, specialty-specific scrub rules, no obligation.
Tired of hematology and oncology billing headaches?
Go Medical Billing handles Hematology and Oncology with AAPC-certified coders and specialty-specific scrub rules. 2.8 percent average denial rate. 2.49 percent of collections. No setup fees.
Get Your Free Billing Assessment
Free audit, no obligation. We'll review your billing and show you exactly where revenue is leaking.
Everything about Hematology and Oncology billing
What CPT codes does Hematology and Oncology bill most often?
Top Hematology and Oncology codes include 99214 (Established patient office visit, moderate MDM or 30-39 minutes); 99215 (Established patient office visit, high MDM or 40-54 minutes); 99205 (New patient office visit, high MDM or 60-74 minutes); 99223 (1st hosp ip/obs high 75); 99232 (Sbsq hosp ip/obs moderate 35).
What are the most common denials in Hematology and Oncology billing?
Hematology and Oncology denials concentrate around medical necessity, bundling, prior authorization, and modifier errors.
Does Go Medical Billing handle Hematology and Oncology?
Yes. Go Medical Billing handles Hematology and Oncology billing with AAPC-certified coders, payer-specific scrub rules, and dedicated account management. Starting at 2.49 percent of collections with no setup fees.
Specialty content reviewed by AAPC-certified coders. CPT codes and descriptions are copyright of the AMA. Medicare payment varies by locality. Commercial rates vary by contract.
Free 90-Day AR Recovery Audit
We audit your last 90 days of hematology and oncology claims and surface revenue leakage in coding, modifier use, and bundling. AAPC-certified coders. 2.49 percent of collections. No setup fees.