U.S. ICD-10-CM · FY 2027

R77 ICD-10-CM Code: Other abnormalities of plasma proteins

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

R77

Other abnormalities of plasma proteins

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where R77 sits

  1. 1

    Chapter 18

    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

  2. 2

    Section

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

  3. 3

    Category R77

    Other abnormalities of plasma proteins

  4. 4

    Code R77

    Other abnormalities of plasma proteins

More specific choices

Codes under R77

R77 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for R77.

Code first

No “code first” instruction is listed for R77.

Use additional code

No “use additional code” instruction is listed for R77.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for R77.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code R77 mean?

R77 is the FY 2027 U.S. ICD-10-CM code for “Other abnormalities of plasma proteins.”

Is R77 a billable or specific ICD-10-CM code?

No. R77 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is R77 located in ICD-10-CM?

R77 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Abnormal findings on examination of blood, without diagnosis (R70-R79) (R70–R79), under category R77, Other abnormalities of plasma proteins.

What coding notes are listed for R77?

No inclusion terms are listed for R77 in this reference record. No code-first instruction is listed. Excludes1 notes: disorders of plasma-protein metabolism (E88.0-). No Excludes2 note is listed.

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