R70-R79

Non-Billable
ChapterR00–R99
Rankblock
Official Description

Abnormal findings on examination of blood, without diagnosis (R70-R79)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Instructional Notes

Excludes2(Not included here)
  • abnormal findings on antenatal screening of mother (O28.-)
  • abnormalities of lipids (E78.-)
  • abnormalities of platelets and thrombocytes (D69.-)
  • abnormalities of white blood cells classified elsewhere (D70-D72)
  • coagulation hemorrhagic disorders (D65-D68)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
  • hemorrhagic and hematological disorders of newborn (P50-P61)

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)
R70Elevated erythrocyte sedimentation rate and abnormality of plasma viscosity
R71Abnormality of red blood cells
R73Elevated blood glucose level
R74Abnormal serum enzyme levels
R75Inconclusive laboratory evidence of human immunodeficiency virus [HIV]
R76Other abnormal immunological findings in serum
R77Other abnormalities of plasma proteins
R78Findings of drugs and other substances, not normally found in blood
R79Other abnormal findings of blood chemistry

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R70-R79:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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