R79.1 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Abnormal coagulation profile.
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Abnormal or prolonged bleeding time
Abnormal or prolonged coagulation time
Abnormal or prolonged partial thromboplastin time [PTT]
Abnormal or prolonged prothrombin time [PT]
Low von Willebrand factor
Coagulation defects (D68.-)
Abnormality of fluid, electrolyte or acid-base balance (E86-E87)
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