ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.4 > T45.4X > T45.4X5 T45.4X5 Adverse effect of iron and its compounds Non-Billable/Non-Specific Codes T45.4X5A..., initial encounterT45.4X5D..., subsequent encounterT45.4X5S..., sequela