T45.4X6
Non-billableUnderdosing of iron and its compounds
T45.4X6 is the ICD-10-CM code for Underdosing of iron and its compounds. It is a non-billable category code — use a more specific child code such as T45.4X6A for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHWhat is iron? Iron is a mineral that our bodies need for growth and development. Your body uses iron to make hemoglobin, a protein in red blood cells. Hemoglobin carries oxygen from the lungs to all parts of the body. Iron is also important for healthy muscles, bone marrow, and organ function. Your body also needs iron to make some hormones . How do you get iron? Iron is found naturally in many foods and is added to…
Read more about Iron at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •iron deficiency (E61.1)
Frequently asked questions
- What is ICD-10 code T45.4X6?
- T45.4X6 is the ICD-10-CM code for "Underdosing of iron and its compounds". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
- Is T45.4X6 a billable code?
- No — T45.4X6 is a non-billable header code. Use a more specific child code (such as T45.4X6A) for billing.
- What are the subcodes of T45.4X6?
- T45.4X6 has 3 more specific child codes, including T45.4X6A, T45.4X6D, T45.4X6S.
- What is excluded from T45.4X6?
- Excludes1 (not coded here): iron deficiency (E61.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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