R77Non-billable (header)

Other abnormalities of plasma proteins

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

R70Elevated erythrocyte sedimentation rate and abnormality of p…R71Abnormality of red blood cellsR73Elevated blood glucose levelR74Abnormal serum enzyme levelsR75Inconclusive laboratory evidence of human immunodeficiency v…R76Other abnormal immunological findings in serumR78Findings of drugs and other substances, not normally found i…R79Other abnormal findings of blood chemistry

Sub-codes of R77(5)

R77 is a non-billable header. Select a sub-code to bill.

R77.0Abnormality of albumin✓ BillableR77.1Abnormality of globulin✓ BillableR77.2Abnormality of alphafetoprotein✓ BillableR77.8Other specified abnormalities of plasma proteins✓ BillableR77.9Abnormality of plasma protein, unspecified✓ Billable

✗ Excludes 1(Not coded here)

  • •disorders of plasma-protein metabolism (E88.0-)

Code Hierarchy

┌18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)├R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)├R77Other abnormalities of plasma proteins
└R77Other abnormalities of plasma proteins

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