ICD-10-CM > S00-T88 > T36-T50 > T38 > T38.1 > T38.1X > T38.1X2 T38.1X2 Poisoning by thyroid hormones and substitutes, intentional self-harm Non-Billable/Non-Specific Codes T38.1X2A..., initial encounterT38.1X2D..., subsequent encounterT38.1X2S..., sequela