2024 ICD-10-CM Diagnosis Code T50.5X5A
Adverse effect of appetite depressants, initial encounter
- ICD-10-CM Code:
- T50.5X5A
- ICD-10 Code for:
- Adverse effect of appetite depressants, initial encounter
- Is Billable?
- Yes - Valid for Submission
- Chronic Condition Indicator: [1]
- Not chronic
- Code Navigator:
T50.5X5A is a billable diagnosis code used to specify a medical diagnosis of adverse effect of appetite depressants, initial encounter. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.
This code describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.
T50.5X5A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like adverse effect of appetite depressants. According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Amphetamine group adverse reaction
- Amphetamine group adverse reaction
- Amphetamine group adverse reaction
- Centrally acting appetite suppressant adverse reaction
- Dexfenfluramine adverse reaction
- Diethylpropion adverse reaction
- Fenfluramine adverse reaction
- Mazindol adverse reaction
- Phentermine adverse reaction
Clinical Classification
Clinical Category is Adverse effects of drugs and medicaments, initial encounter
- CCSR Category Code: INJ028
- Inpatient Default CCSR: X - Not applicable.
- Outpatient Default CCSR: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.
Clinical Information
Aminorex
an amphetamine-like anorectic agent. it may cause pulmonary hypertension.Benzphetamine
a sympathomimetic agent with properties similar to dextroamphetamine. it is used in the treatment of obesity. (from martindale, the extra pharmacopoeia, 30th ed, p1222)Chlorphentermine
a sympathomimetic agent that was formerly used as an anorectic. it has properties similar to those of dextroamphetamine. it has been implicated in lipid storage disorders and pulmonary hypertension. (from martindale, the extra pharmacopoeia, 30th ed, p1223)Dexfenfluramine
the s-isomer of fenfluramine. it is a serotonin agonist and is used as an anorectic. unlike fenfluramine, it does not possess any catecholamine agonist activity.Diethylpropion
a appetite depressant considered to produce less central nervous system disturbance than most drugs in this therapeutic category. it is also considered to be among the safest for patients with hypertension. (from ama drug evaluations annual, 1994, p2290)Fenfluramine
a centrally active drug that apparently both blocks serotonin uptake and provokes transport-mediated serotonin release.Mazindol
tricyclic anorexigenic agent unrelated to and less toxic than amphetamine, but with some similar side effects. it inhibits uptake of catecholamines and blocks the binding of cocaine to the dopamine uptake transporter.Phenmetrazine
a sympathomimetic drug used primarily as an appetite depressant. its actions and mechanisms are similar to dextroamphetamine.Phentermine
a central nervous system stimulant and sympathomimetic with actions and uses similar to those of dextroamphetamine. it has been used most frequently in the treatment of obesity.
Coding Guidelines
When coding an adverse effect of a drug that has been correctly prescribed and properly administered, assign the appropriate code for the nature of the adverse effect followed by the appropriate code for the adverse effect of the drug.
The appropriate 7th character is to be added to each code from block Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances (T50). Use the following options for the aplicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Code Edits
The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10-CM Code Edits are applicable to this code:
- Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.
Convert T50.5X5A to ICD-9-CM
- ICD-9-CM Code: 995.29 - Adv eff med/biol NEC/NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment. - ICD-9-CM Code: E947.0 - Adv eff dietetics
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
Table of Drugs and Chemicals
The parent code T50.5X5 of the current diagnosis code is referenced 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-CM 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.
Patient Education
Drug Reactions
Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies.
What is a drug interaction?
A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements or when taken while you have certain medical conditions. Examples include:
- Two drugs, such as aspirin and blood thinners
- Drugs and food, such as statins and grapefruit
- Drugs and supplements, such as gingko and blood thinners
- Drugs and medical conditions, such as aspirin and peptic ulcers
Interactions could cause a drug to be more or less effective, cause side effects, or change the way one or both drugs work.
What are side effects?
Side effects are unwanted, usually unpleasant, effects caused by medicines. Most are mild, such as a stomachache, dry mouth, or drowsiness, and go away after you stop taking the medicine. Others can be more serious. Sometimes a drug can interact with a disease that you have and cause a side effect. For example, if you have a heart condition, certain decongestants can cause you to have a rapid heartbeat.
What are drug allergies?
Drug allergies are another type of reaction. They can range from mild to life-threatening. Skin reactions, such as hives and rashes, are the most common type. Anaphylaxis, a serious allergic reaction, is less common.
How can I stay safe when taking medicines?
When you start a new prescription or over-the-counter medicine, make sure you understand how to take it correctly. Know which other medicines, foods, and supplements you need to avoid. Always talk to your health care provider or pharmacist if you have questions about your medicines.
[Learn More in MedlinePlus]
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- 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. This was the first year ICD-10-CM was implemented into the HIPAA code set.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.