R77.1Billable

Abnormality of globulin

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R77
Effective date
October 1, 2026

Related codes in category R77

R77Other abnormalities of plasma proteinsR77.0Abnormality of albuminYesR77.2Abnormality of alphafetoproteinYesR77.8Other specified abnormalities of plasma proteinsYesR77.9Abnormality of plasma protein, unspecifiedYes

Frequently asked questions

What is ICD-10 code R77.1?

R77.1 is an ICD-10-CM diagnosis code for Abnormality of globulin.

Is R77.1 a billable code?

Yes. R77.1 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is R77.1 in?

R77.1 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R77.1 become effective?

R77.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R77.1?

R77.1 belongs to category R77, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.