R71.0

ICD-10Billable

Precipitous drop in hematocrit

Official ICD-10-CM descriptor (FY2026)

Precipitous drop in hematocrit

R71.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Drop (precipitous) in hemoglobin
Drop in hematocrit

Related codes in R71

R71.8Other abnormality of red blood cells

Where this code sits

Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: Abnormal findings on examination of blood, without diagnosis (R70-R79)
Parent code: R71

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.