This CBC shows most values normal, with three mild abnormalities worth flagging for this 70-year-old male:
1. Platelet count LOW: 103,000/cmm (ref 150,000-410,000)
Mild thrombocytopenia. Not dangerously low (bleeding risk generally becomes a concern below ~50,000), but it is below normal and worth tracking. Common causes in a 70-year-old include viral illness, medication effect, liver disease/hypersplenism, immune thrombocytopenia, or early bone marrow issues (e.g., myelodysplastic syndrome). A single mildly low value is often incidental or reactive - it's worth a repeat CBC to confirm it isn't a lab/clumping artifact, and if it persists, correlate with liver function, peripheral smear, and clinical picture.
2. RDW-SD HIGH: 50.40 fL (ref 36-46)
Increased red cell size variability (anisocytosis). RDW-CV itself is normal (14.90%), which is a bit reassuring, but per Henry's Clinical Diagnosis and Management, an increased RDW is classically associated with iron deficiency, but also seen in anemia of inflammation, reticulocytosis, or clonal hematopoiesis in older adults - and per Robbins Pathology, elevated RDW has also been linked to clonal hematopoiesis of indeterminate potential (CHIP) as an independent marker, though the mechanism is unclear. Since hemoglobin (14.6), MCV (92.4), and RBC count are all normal here, this isolated RDW elevation without anemia is usually not acutely concerning, but if it persists, it's reasonable for the clinician to keep an eye on it over time.
3. Monocytes % HIGH: 11.8% (ref 3-11) - note the absolute monocyte count is 590/cumm, within the normal absolute range (200-800), so this is a relative/percentage elevation only, not true monocytosis. Per Goldman-Cecil Medicine, true monocytosis (absolute count >500-800/µL sustained) is linked to chronic infections (TB, endocarditis), inflammatory conditions, or recovery from neutropenia/infection - but since the absolute count here is normal, this finding is much less significant on its own.
Everything else is normal: hemoglobin, RBC, hematocrit, MCV/MCH/MCHC, WBC count, neutrophils, lymphocytes, eosinophils, basophils, and all other absolute counts.
Bottom line: The main actionable finding is the mildly low platelet count (103,000) combined with an elevated RDW-SD. Neither is an emergency, but I'd recommend the treating physician repeat the CBC in a few weeks to see if these are transient/reactive or persistent, and consider a peripheral smear review (the report notes abnormal hemograms are already reviewed microscopically) plus basic liver function and iron studies if trending persists. This combination in a 70-year-old, if it persists over time, is sometimes worth a hematology opinion, but a single set of mild abnormalities like this is common and often not clinically significant.
This is not a substitute for the ordering doctor's interpretation, especially since I don't have this patient's clinical history, symptoms, or medications (e.g., blood thinners, chemotherapy, alcohol use) that could explain these findings.