2021 ICD-10-CM Code T44.8X6

Underdosing of centrally-acting and adrenergic-neuron-blocking agents

Version 2021
Replaced Code
Non-Billable Code

Not Valid for Submission

T44.8X6 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of underdosing of centrally-acting and adrenergic-neuron-blocking agents. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Short Description:Underdosing of centr-acting/adren-neurn-block agnt
Long Description:Underdosing of centrally-acting and adrenergic-neuron-blocking agents

Code Classification

Specific Coding for Underdosing of centr-acting/adren-neurn-block agnt

Header codes like T44.8X6 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for underdosing of centr-acting/adren-neurn-block agnt:

Replaced Code

This code was replaced in the 2021 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This code was replaced for the FY 2021 (October 1, 2020 - September 30, 2021).

  • K59.03 - Drug induced constipation

Table of Drugs and Chemicals

The code T44.8X6 is included in the Table of Drugs and Chemicals, this table contains a classification of drugs, industrial solvents, corrosive gases, noxious plants, pesticides, and other toxic agents. According to ICD-10 coding guidelines it is advised to do not code directly from the Table of Drugs and Chemicals, instead always refer back to the Tabular List when doing the initial coding. Each substance in the table is assigned a code according to the poisoning classification and external causes of adverse effects. It is important to use as many codes as necessary to specify all reported drugs, medicinal or chemical substances. If the same diagnosis code describes the causative agent for more than one adverse reaction, poisoning, toxic effect or underdosing, utilize the code only once.

Substance Poisoning
Alfuzosin (hydrochloride)T44.8X1T44.8X2T44.8X3T44.8X4T44.8X5T44.8X6
Antiadrenergic NECT44.8X1T44.8X2T44.8X3T44.8X4T44.8X5T44.8X6
Sympatholytic NECT44.8X1T44.8X2T44.8X3T44.8X4T44.8X5T44.8X6
Sympatholytic NEC

Information for Patients

Medication Errors

Medicines treat infectious diseases, prevent problems from chronic diseases, and ease pain. But medicines can also cause harmful reactions if not used correctly. Errors can happen in the hospital, at the health care provider's office, at the pharmacy, or at home. You can help prevent errors by

Food and Drug Administration

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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)