R77.1

ICD-10Billable

Abnormality of globulin

Official ICD-10-CM descriptor (FY2026)

Abnormality of globulin

R77.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Hyperglobulinemia NOS

Related codes in R77

Where this code sits

Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: Abnormal findings on examination of blood, without diagnosis (R70-R79)
Parent code: R77

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.