R70-R79 — Abnormal findings on examination of blood, without diagnosis
ICD-10-CM codes R70-R79 cover abnormal findings on examination of blood, without diagnosis, within symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified. The block holds 59 codes across 9 categories, of which 44 are billable and 15 are header codes that cannot be submitted on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- 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)
What else to watch in R70-R79
- 38 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.
Categories in 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