ICD-10-CM 2027 diagnosis code
T50.4X5Adverse effect of drugs affecting uric acid metabolism
T50.4X5 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About T50.4X5
T50.4X5 is the ICD-10-CM diagnosis code for adverse effect of drugs affecting uric acid metabolism. It belongs to category T50 (poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances), block T36-T50 (poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.
Within T50.4X (poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism), T50.4X5 is specifically for adverse effect of drugs affecting uric acid metabolism. Related codes cover poisoning by drugs affecting uric acid metabolism, accidental (unintentional) (T50.4X1), poisoning by drugs affecting uric acid metabolism, intentional self-harm (T50.4X2), poisoning by drugs affecting uric acid metabolism, assault (T50.4X3), poisoning by drugs affecting uric acid metabolism, undetermined (T50.4X4) and underdosing of drugs affecting uric acid metabolism (T50.4X6).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
7th character
The appropriate 7th character is to be added to each code from category T50
Notes that apply from higher levels
Instructions written at a parent level also apply to T50.4X5.
Table of Drugs & Neoplasms entries
- Allopurinol — Adverse effect
- Atophan — Adverse effect
- Benemid — Adverse effect
- Benzbromarone — Adverse effect
- Cinchophen — Adverse effect
- Colchicine — Adverse effect
- Etebenecid — Adverse effect
- Ethebenecid — Adverse effect
- Neocinchophen — Adverse effect
- Oxipurinol — Adverse effect
- Phenoquin — Adverse effect
- Probenecid — Adverse effect
- Spindle inactivator — Adverse effect
- Sulfinpyrazone — Adverse effect
- Sulphinpyrazone — Adverse effect
- Tisopurine — Adverse effect
- Urate oxidase — Adverse effect
- Uric acid metabolism drug NEC — Adverse effect
- Uricosuric agent — Adverse effect
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about T50.4X5
Is T50.4X5 billable?
- No. T50.4X5 is a header code. Report one of its more specific subcodes instead.