R70-R79Not billable, use a more specific code below
Abnormal findings on examination of blood, without diagnosis (R70-R79)
chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings
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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)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers when to report symptom, sign, and abnormal finding codes (R00-R99), plus specific rules for falls, coma scales, non-infectious SIRS, death NOS, and NIHSS scores.
- Use of symptom codes (page 75)
- Use of a symptom code with a definitive diagnosis code (page 75)
- Combination codes that include symptoms (page 75)
- Repeated falls (page 76)
- Coma (page 76)
- Functional quadriplegia (page 76)
- SIRS due to Non-Infectious Process (page 77)
- Death NOS (page 77)
All codes under R70-R79
R70-R79 can't be used on a claim. Pick a billable code below; grey headings group them.
- R70Elevated erythrocyte sedimentation rate and abnormality of plasma viscosity
- R70.0Elevated erythrocyte sedimentation rate
- R70.1Abnormal plasma viscosity
- R71Abnormality of red blood cells
- R71.0Precipitous drop in hematocrit
- R71.8Other abnormality of red blood cells
- R73Elevated blood glucose level
- R73.0Abnormal glucose
- R73.01Impaired fasting glucose
- R73.02Impaired glucose tolerance (oral)
- R73.03Prediabetes
- R73.09Other abnormal glucose
- R73.9Hyperglycemia, unspecified
- R74Abnormal serum enzyme levels
- R74.0Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]
- R74.01Elevation of levels of liver transaminase levels
- R74.02Elevation of levels of lactic acid dehydrogenase [LDH]
- R74.8Abnormal levels of other serum enzymes
- R74.9Abnormal serum enzyme level, unspecified
- R75Inconclusive laboratory evidence of human immunodeficiency virus [HIV]
- R76Other abnormal immunological findings in serum
- R76.0Raised antibody titer
- R76.1Nonspecific reaction to test for tuberculosis
- R76.11Nonspecific reaction to tuberculin skin test without active tuberculosis
- R76.12Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis
- R76.8Other specified abnormal immunological findings in serum
- R76.81Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
- R76.89Other specified abnormal immunological findings in serum
- R76.9Abnormal immunological finding in serum, unspecified
- R77Other abnormalities of plasma proteins
- R77.0Abnormality of albumin
- R77.1Abnormality of globulin
- R77.2Abnormality of alphafetoprotein
- R77.8Other specified abnormalities of plasma proteins
- R77.9Abnormality of plasma protein, unspecified
- R78Findings of drugs and other substances, not normally found in blood
- R78.0Finding of alcohol in blood
- R78.1Finding of opiate drug in blood
- R78.2Finding of cocaine in blood
- R78.3Finding of hallucinogen in blood
- R78.4Finding of other drugs of addictive potential in blood
- R78.5Finding of other psychotropic drug in blood
- R78.6Finding of steroid agent in blood
- R78.7Finding of abnormal level of heavy metals in blood
- R78.71Abnormal lead level in blood
- R78.72Abnormal gadolinium level in blood
- R78.79Finding of abnormal level of heavy metals in blood
- R78.8Finding of other specified substances, not normally found in blood
- R78.81Bacteremia
- R78.89Finding of other specified substances, not normally found in blood
- R78.9Finding of unspecified substance, not normally found in blood
- R79Other abnormal findings of blood chemistry
- R79.0Abnormal level of blood mineral
- R79.1Abnormal coagulation profile
- R79.8Other specified abnormal findings of blood chemistry
- R79.81Abnormal blood-gas level
- R79.82Elevated C-reactive protein (CRP)
- R79.83Abnormal findings of blood amino-acid level
- R79.89Other specified abnormal findings of blood chemistry
- R79.9Abnormal finding of blood chemistry, unspecified
R70-R79 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to R70-R79
Notes on these codes point to R70-R79.
- R83-R89 Excludes2: abnormal findings on examination of blood, without diagnosis (R70-R79)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Blood
Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.
Read more about blood on MedlinePlus