Skip to content
HCC Buddy home

Z91.12

Non-Billable (Header)

Patient's intentional underdosing of medication regimen

Code First

  • underdosing of medication (T36-T50) with fifth or sixth character 6

Child Codes

Z91.120Patient's intentional underdosing of medication regimen due to financial hardship
Z91.128Patient's intentional underdosing of medication regimen for other reason

Code Hierarchy

└Z91Personal risk factors, not elsewhere classified└Z91.1Patient's noncompliance with medical treatment and regimen└Z91.12Patient's intentional underdosing of medication regimen
└Z91.12Patient's intentional underdosing of medication regimen

Open Z91.12 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial