chronic care

Vitamin B12 deficiency test levels chart showing initial test, grey zone, and reference range for assessing B12

Vitamin B12 Deficiency Test: The 4 Labs I Actually Order

By Kulmeet Kundlas, MD — Board-Certified Internal Medicine A vitamin B12 deficiency test is one of the most misunderstood parts of a routine workup, and getting it right can change everything. Most patients who walk into my office worried about low energy expect one blood test to answer the question: is my vitamin B12 low? I wish […]

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Leukocytosis Explained: When to Worry About a High White Blood Cell Count

Written and reviewed by Dr. Kulmeet Kundlas, MD — Board-Certified in Internal Medicine. Updated July 2026. A high white blood cell count is one of the most common lab findings patients ask me about. One of the most common questions I hear in my clinic starts something like this: “Doctor, my blood test came back

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GLP-1

Medicare GLP-1 Bridge Eligibility 2026: Who Qualifies?

Medicare GLP-1 Bridge Patient education page Eligibility Cost FAQ Watch video Medicare GLP-1 Bridge Eligibility 2026: Who Qualifies? Medicare GLP-1 Bridge eligibility 2026 is now a major question for patients who want to know whether Medicare will help cover certain GLP-1 weight-loss drugs. The Medicare GLP-1 Bridge began on July 1, 2026, and eligible beneficiaries

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