90997 Hemoperfusion
Also known as: hemoperfusion, blood perfusion therapy, toxin removal therapy
Hemoperfusion procedure involving circulation of blood through a perfusion column to remove toxic substances or waste products.
In Plain Language
blood filtering using special cartridges; removal of poisons from blood
Clinical Context
Therapeutic procedure for removing toxic substances, drugs, or metabolic wastes from blood circulation. Used in cases of drug overdose, poisoning, or specific toxin removal in patients with renal failure.
RVU Breakdown
| Work RVU | 1.79 |
| Total RVU | 1.79 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Medicine section codes cover a wide range of non-surgical services. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Documentation should include the clinical indication, procedure details, interpretation (if applicable), and any patient-specific findings.
How This Code Compares
With a work RVU of 1.79, this code ranks in the 74th percentile among Medicine codes — 2.3x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 90997?
CPT 90997 (Hemoperfusion) is a Medicine code. Hemoperfusion procedure involving circulation of blood through a perfusion column to remove toxic substances or waste products.
Who uses CPT code 90997?
CPT 90997 is used by Nephrology, Critical Care, Toxicology. Therapeutic procedure for removing toxic substances, drugs, or metabolic wastes from blood circulation. Used in cases of drug overdose, poisoning, or specific toxin removal in patients with renal failure.
When is CPT 90997 used?
Therapeutic procedure for removing toxic substances, drugs, or metabolic wastes from blood circulation. Used in cases of drug overdose, poisoning, or specific toxin removal in patients with renal failure.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.