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
What this means — in plain language
MedlinePlus · NIHYour blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets. Red blood cells (RBC) deliver oxygen from your lungs to your tissues and organs. White blood cells (WBC) fight infection and are part of your immune system. Platelets help blood to…
Read more about Blood at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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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