Abnormal CBC Evaluation Note

Date/Time: [Date and time of encounter]

Encounter Type: [inpatient / outpatient / ED / consult]

Service/Author: [Service name and clinician]

Referring Clinician: [Referring clinician name and service] (Only include if consult)

Reason for Consult: [Reason provided by referrer] (Only include if consult)

Reason for Encounter

[Patient-centered statement of the clinical question or concern; include brief patient quote only if it clarifies the problem] (Keep to one concise sentence.)

Executive Summary

[3–6 line synopsis including: abnormal cell line(s) and severity; acute vs chronic and trend direction; leading diagnostic framework (e.g., hypoproliferative vs hemolytic for anemia; underproduction vs destruction vs sequestration for cytopenias; reactive vs clonal for cytoses); immediate safety concerns and actions taken] (This is interpretation, not raw data.)

CBC Trend

Date	Source	WBC	ANC	Hgb	MCV	RDW	Platelets
[Baseline date]	[Source]	[WBC]	[ANC]	[Hgb]	[MCV]	[RDW]	[Platelets]
[Date]	[Source]	[WBC]	[ANC]	[Hgb]	[MCV]	[RDW]	[Platelets]
[Date]	[Source]	[WBC]	[ANC]	[Hgb]	[MCV]	[RDW]	[Platelets]

(Include baseline row if available. Add optional columns when relevant: absolute lymphocyte count, reticulocyte count/index, MPV, immature granulocytes, blast flag. If only one CBC exists, state "No prior trend available." If outside records pending, note this.)

Peripheral Smear

Review status: [Personally reviewed / Summarized from lab report (date) / Not yet performed]

RBC morphology: [Size pattern, anisopoikilocytosis, polychromasia, target cells, spherocytes, schistocytes with percentage if present, teardrops, nucleated RBCs, inclusions] (Include only observed features.)

WBC morphology: [Left shift, toxic changes, dysplasia, blasts, atypical lymphocytes, hyper/hypolobation, hypogranularity] (Include only observed features.)

Platelet morphology: [Clumping, giant platelets, hypogranularity, satellitism] (Include only observed features.)

(If smear not performed and clinically indicated, state that it is ordered. Omit section if not available and not clinically indicated.)

History of Present Illness

[Narrative covering: discovery context and timing; symptoms pertinent to each abnormal cell line; bleeding and transfusion history; recent infections or inflammation; constitutional symptoms; relevant exposures; diet and malabsorption risk factors; pertinent past medical history] (Keep focused on details impacting today's decisions.)

Medications

[Relevant medications: anticoagulants/antiplatelets; heparin exposure with timing; marrow-suppressing drugs; immunosuppressants; antibiotics linked to cytopenias; supplements already in use] (Omit section if no medications are relevant.)

Focused History

Past Medical History: [Only conditions impacting today's differential or management]

Family History: [Cytopenias, hemoglobinopathies, hematologic malignancies] (Include only if relevant.)

Social History: [Alcohol intake with quantity, nutrition pattern, occupational exposures] (Include only if relevant.)

(Omit subsections that add nothing to this case.)

Physical Exam

• General: [Pallor, jaundice, distress]
• Vitals: [Fever, tachycardia, hypotension]
• HEENT: [Conjunctival pallor, scleral icterus, oral ulcers]
• Lymph nodes: [Lymphadenopathy]
• Abdomen: [Hepatosplenomegaly]
• Skin: [Petechiae, purpura, ecchymoses]
• Neurologic: [B12 deficiency or TMA findings]

(Include only elements relevant to CBC abnormalities. If exam is limited, document limitations.)

Key Data Reviewed

[Summarize data sets reviewed with abnormal or decision-driving results highlighted: hemolysis panel; iron studies; B12/folate; renal/hepatic/thyroid function; inflammatory markers; infection testing; coagulation/TMA/DIC screen; hemoglobinopathy evaluation. Mark pending tests as "pending" with note of what decision awaits them. For normal panels, summarize briefly.] (Do not duplicate the CBC table here.)

Diagnostic Reasoning

1. Confirmation: [Whether abnormality is real vs spurious (dilution, platelet clumping, lab artifact)]
2. Time course: [Acute vs chronic; stable vs progressive]
3. Mechanism: [For cytopenias: underproduction vs destruction/consumption vs sequestration; for cytoses: reactive vs clonal]
4. Red flags: [Urgency indicators mandating immediate action or marrow evaluation]

Assessment and Plan

(List problems in descending clinical urgency. Label conclusions as confirmed, suspected, ruled out, or pending.)

Problem 1: [Primary CBC abnormality]

Assessment: [Severity, morphology pattern, key discriminating features; diagnostic status]

Differential by mechanism: [Organized by underproduction vs destruction vs sequestration vs spurious for cytopenias; reactive vs clonal for cytoses; hypoproliferative vs hemolytic for anemia]

Workup: [Tests ordered or planned with rationale for key decisions]

Management: [Immediate measures, targeted therapies, discontinuation of offending agents, referrals]

Threshold for escalation: [Triggers for ED referral, admission, transfusion, or bone marrow evaluation]

Problem 2: [Secondary issue]

Assessment: [Synthesis]

Differential: [Mechanism-based]

Workup: [Tests with rationale]

Management: [Treatments and referrals]

Threshold for escalation: [Triggers]

(Add additional problems as needed. Include comorbidities only if they affect decisions today.)

Bone Marrow Evaluation

Indications present today: [Yes / No] – [Brief justification]

Triggers for marrow later: [Explicit thresholds: persistence beyond defined interval, new cytopenias, abnormal smear findings, no response to therapy] (Include if marrow not indicated today.)

If proceeding: [Planned components: aspirate, core biopsy, flow cytometry, cytogenetics/FISH/molecular studies, iron stain; pre-procedure considerations] (Include if marrow indicated.)

If deferred: [Reason for deferral] (Include if marrow not indicated today.)

Orders

• Ordered: [Tests, studies, and therapies placed today]
• Recommended: [Tests or therapies to be completed by other teams or outpatient]
• Deferred: [Items and reason for deferral]

Follow-up

Next CBC: [Timing and threshold for escalation]

Return precautions: [Bleeding, melena, neurologic changes, fever, dyspnea, chest pain, severe fatigue, syncope]

Communications: [Discussions with patient/family, referring clinician, pathology, care team]

(If critical information is missing, include a brief placeholder statement rather than leaving sections blank. Omit nonessential sections if there is no relevant content.)