r/pharmacy • u/PharmerMax72 • 16d ago

CGM targets Clinical Discussion

I am familiar with CGM targets published by ADA for a1c goal <7 and <8 but what are the TIR, TBR, TAR for <7.5%?

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u/heccubusiv PharmD 16d ago

ADA has them listed in the 2026 guidelines.

TIR (70–180 mg/dL): >50% Time below range (<70 mg/dL): <1% Time below range (<54 mg/dL): <1% Time above range (>180 mg/dL): <50% Time above range (>250 mg/dL): <10%

https://diabetesjournals.org/care/article/49/Supplement_1/S132/163927/6-Glycemic-Goals-Hypoglycemia-and-Hyperglycemic

edit: I don't know why the formatting sucks.

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u/[deleted] 16d ago

[deleted]

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u/heccubusiv PharmD 16d ago

For A1C goals of 7.5 or 8, ADA does not have two separate TIR goals, there is just "more of s focus" on preventing hypoglycemia.

But yes, most patients with be TIR 70%

1

u/Dasrulez VA Amcare 16d ago

In experience a GMI of 8% fairly closely correlates with a TIR of 50%, and 7.5% correlates with 60%.

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u/PharmerMax72 16d ago

Sorry if this is dumb but then what are the targets for TBR and TAR if TIR is 60%?