All ICD10 Codes

R70-R79

Non-Billable
ChapterR00–R99
Rankblock
Official Description

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

Use a more specific code (1 billable, 8 non-billable)
R70Elevated erythrocyte sedimentation rate and abnormality of plasma viscosityhas subcodesR71Abnormality of red blood cellshas subcodesR73Elevated blood glucose levelhas subcodesR74Abnormal serum enzyme levelshas subcodesR75Inconclusive laboratory evidence of human immunodeficiency virus [HIV]R76Other abnormal immunological findings in serumhas subcodesR77Other abnormalities of plasma proteinshas subcodesR78Findings of drugs and other substances, not normally found in bloodhas subcodesR79Other abnormal findings of blood chemistryhas subcodes
Metadata & Insights
  • •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. Code separately if applicable.)
  • 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. Code separately if applicable.)
  • 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

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)Not billable
R70Elevated erythrocyte sedimentation rate and abnormality of plasma viscositySubcodes
R71Abnormality of red blood cellsSubcodes
R73Elevated blood glucose levelSubcodes
R74Abnormal serum enzyme levelsSubcodes
R75Inconclusive laboratory evidence of human immunodeficiency virus [HIV]Billable
R76Other abnormal immunological findings in serumSubcodes
R77Other abnormalities of plasma proteinsSubcodes
R78Findings of drugs and other substances, not normally found in bloodSubcodes
R79Other abnormal findings of blood chemistrySubcodes

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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Abnormal findings on examination of blood, without diagnosis (R70-R79).

Search PCS Codes