21 CFR § 864.7500 - Whole blood hemoglobin assays.

---
identifier: "/us/cfr/t21/s864.7500"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 864.7500 - Whole blood hemoglobin assays."
title_number: 21
title_name: "Food and Drugs"
section_number: "864.7500"
section_name: "Whole blood hemoglobin assays."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "MEDICAL DEVICES"
part_number: "864"
part_name: "HEMATOLOGY AND PATHOLOGY DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 351, 360, 360c, 360e, 360j, 360 371."
cfr_part: "864"
---


# 864.7500 Whole blood hemoglobin assays.

(a) *Identification.* A whole blood hemoglobin assay is a device consisting or reagents, calibrators, controls, or photometric or spectrophotometric instrumentation used to measure the hemoglobin content of whole blood for the detection of anemia. This generic device category does not include automated hemoglobin systems.

(b) *Classification.* Class II (special controls). An acid hematin intended for use with whole blood hemoglobin assays is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 864.9.

[45 FR 60622, Sept. 12, 1980, as amended at 84 FR 71799, Dec. 30, 2019]