ICD-10 Coding for Abnormal Blood Chemistry(R79.89)
This diagnosis requires careful attention to:
Patient presents with abnormal blood chemistry, specifically [substance].
Abnormal findings on diagnostic examination of blood, without diagnosis.
No, abnormal findings on antenatal screening should be coded with O28.-.
R79.89 should be used when there are abnormal findings in blood chemistry, but no specific diagnosis can be made.