R77
Non-billableOther abnormalities of plasma proteins
R77 is the ICD-10-CM code for Other abnormalities of plasma proteins. It is a non-billable category code — use a more specific child code such as R77.0 for billing.
- Status
- Header (non-billable)
- Chapter
- R00-R99
- Subcodes
- 5
- Edition
- FY2026
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Excludes1 — not coded here
- •disorders of plasma-protein metabolism (E88.0-)
Frequently asked questions
- What is ICD-10 code R77?
- R77 is the ICD-10-CM code for "Other abnormalities of plasma proteins". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R77 a billable code?
- No — R77 is a non-billable header code. Use a more specific child code (such as R77.0) for billing.
- What is excluded from R77?
- Excludes1 (not coded here): disorders of plasma-protein metabolism (E88.0-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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