Technetium TC99M pyrophosphate

What Technetium TC99M pyrophosphate is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

Technetium Tc 99m Pyrophosphate Injection is a bone imaging agent used to demonstrate areas of altered osteogenesis, and a cardiac imaging agent used as an adjunct in the diagnosis of acute myocardial infarction. Kit for the Preparation of Technetium Tc 99m Pyrophosphate Injection is a blood pool imaging agent which may be used for gated blood pool imaging and for the detection of sites of gastrointestinal bleeding. …

— FDA label: Kit for the Preparation of Technetium Tc99m Pyrophosphate, Sun Pharmaceutical Industries, Inc., effective March 11, 2025. Read the full label on DailyMed →

Label quoted: the one for the most common form (injection, intravenous), Kit for the Preparation of Technetium Tc99m Pyrophosphate, Sun Pharmaceutical Industries, Inc.; it covers 1 product in the FDA NDC Directory. The side effects, interactions, dosage and pregnancy quotes below come from this same label.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

Technetium TC99M pyrophosphate side effects

Quoted from the “Adverse Reactions” section of the FDA-approved label. Tell your doctor about any side effect that worries you.

Some hypersensitivity reactions have been associated with pyrophosphate use.

— FDA label: Kit for the Preparation of Technetium Tc99m Pyrophosphate, Sun Pharmaceutical Industries, Inc., effective March 11, 2025. Read the full label on DailyMed →

Technetium TC99M pyrophosphate dosage

Quoted from the “Dosage and Administration” section of the FDA-approved label. Your own dose is the one your doctor prescribes: do not change it on your own.

After preparation with oxidant-free Sodium Pertechnetate Tc 99m Injection, the suggested dose range of Technetium Tc 99m Pyrophosphate Injection in the average ADULT patient (70 kg) is: Bone Imaging - 185-555 megabecquerels (5-15 mCi) Cardiac Imaging - 370-555 megabecquerels (10-15 mCi) The suggested dose range of the non-radioactive reconstituted Kit for the Preparation of Technetium Tc 99m Pyrophosphate Injection in the average ADULT patient (70 kg) is: Blood Imaging - Administer not less than one-third nor more than the total contents of one vial [555 - 740 megabecquerels (15-20mCi) of Pertechnetate Tc 99m Injection].

Read more of this section

Bone and Cardiac Imaging Technetium Tc 99m Pyrophosphate Injection is injected intravenously over a 10 to 20 second period. For optimal results, bone imaging should be done 1 to 6 hours following administration. Cardiac imaging should be done 30 to 90 minutes following administration. The acute myocardial infarct can be visualized from 24 hours to 6 days following onset of symptoms, with maximum localization at 48 to 72 hours. Cardiac imaging should be done with a gamma scintillation camera. It is recommended that images be made of the anterior, left anterior oblique and left lateral projections. Blood Pool Imaging Kit for the Preparation of Technetium Tc 99m Pyrophosphate Injection may be reconstituted with sterile, non-pyrogenic isotonic saline containing no preservatives. Administer not less than one-third nor more than the total contents of one vial 30 minutes prior to the intravenous administration of 555 to 740 megabecquerels (15-20 mCi) Sodium Pertechnetate Tc 99m Injection. The non-radioactive reconstituted Kit for the Preparation of Technetium Tc 99m Pyrophosphate Injection should be injected by direct venipuncture. Heparinized catheter systems should be avoided. Cardiac imaging should be done 10 to 30 minutes following the administration of Sodium Pertechnetate Tc 99m Injection utilizing a scintillation camera interfaced to an electrocardiographic gating device. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. The patient dose should be measured by a suitable radioactivity calibration system immediately prior to administration. Radiation Dosimetry Bone and Cardiac Imaging The effective half-life was assumed to be the physical half-life for all calculated values. The estimated radiation absorbed doses to an average ADULT patient (70 kg) from an intravenous injection of a maximum of 555 megabecquerels (15 mCi) of Technetium Tc 99m Pyrophosphate Injection are shown in Table 4. TABLE 4: Estimated Absorbed Radiation Doses Bone and Cardiac Imaging* Technetium Tc 99m Pyrophosphate Injection Target Organ mGy/555 MBq rads/15 mCi Total Body 1.8 0.18 Kidneys 3.6 0.36 Red Marrow 3.5 0.35 Bone Surfaces 21.1 2.11 Bladder Wall 13.3 1.33 Testes 1.4 0.14 Ovaries 2.1 0.21 Effective Dose Equivalent 3.3 mSv 0.33 rem *Based on the model in MIRD Dose Estimate Report No. 13 (J Nucl Med 30:1117-1122, 1989). Estimate calculated using phantoms of Cristy & Eckerman (Report ORNL/TM-8381/V1 & V7). Bone and marrow model of Eckerman (Aspects of dosimetry of radionuclides within the skeleton with particular emphasis on the active marrow. In Fourth International Radiopharmaceutical Dosimetry Symposium; A.T. Schlafke-Stelson and E.E. Watson eds.

— FDA label: Kit for the Preparation of Technetium Tc99m Pyrophosphate, Sun Pharmaceutical Industries, Inc., effective March 11, 2025. This is part of the section. Read the full label on DailyMed →

Technetium TC99M pyrophosphate and breastfeeding

Quoted from the nursing mothers / lactation part of the FDA-approved label.

Technetium Tc 99m Pyrophosphate Injection is excreted in human milk during lactation, therefore, formula feeding should be substituted for breast feeding.

— FDA label: Kit for the Preparation of Technetium Tc99m Pyrophosphate, Sun Pharmaceutical Industries, Inc., effective March 11, 2025. Read the full label on DailyMed →

Forms and how it is given

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

• Sun Pharmaceutical Industries, Inc.1 product

FDA approval history

• NDA: New Drug Application: how a new (usually brand-name) medicine is approved.

Shortage status

Current shortage · updated October 19, 2026 · first posted December 27, 2023

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Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

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Sources

1. FDA-approved label on DailyMed (National Library of Medicine) — Kit for the Preparation of Technetium Tc99m Pyrophosphate, Sun Pharmaceutical Industries, Inc., effective March 11, 2025; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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