R94.6

Billable

Abnormal results of thyroid function studies

R94.6 is the ICD-10-CM code for Abnormal results of thyroid function studies. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
R00-R99
Parent
R94
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect your breathing, heart rate, weight, digestion, and moods. Thyroid diseases cause your thyroid to make either too much or too little of the…

Read more about Thyroid Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code R94.6?
R94.6 is the ICD-10-CM code for "Abnormal results of thyroid function studies". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R94.6 a billable code?
Yes — R94.6 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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