510(k) K904022 ยท GHD Test, Leukocyte Alkaline Phosphatase
NITRO BLUE TETRAZOLIUM REDUCTION
| Applicant | Sigma Chemical Co., St. Louis MO, US |
| Decision | Substantially Equivalent, Dec 18, 1990 |
| Received | Aug 30, 1990 |
| Type | Traditional |
| FDA record | Open on fda.gov |
Recalls that name K904022
No recall in the FDA data names this 510(k).
Links come from the 510(k) numbers listed on each FDA recall record. We don't infer predicate chains.