Skip to content

Difficulty with Opening Medications or Vitamins (Functional Capacity Assessment)

Published: August 9, 2026Updated: August 17, 2026

This test evaluates how much effort you experience when trying to open medications or supplements, which can help identify potential barriers to taking your prescribed treatments as directed.

Quick summary

Assessing challenges with medication access may improve treatment adherence and overall health management.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
67941-5
Short code
HOWMUCHDIFFICULTYDOYOUCURRENTLYHAVEOPENINGMEDICATIONSORVITAMINCONTAIN
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
0.4
Ref high
2
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
neuroqol
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What This Test Measures

This test measures your perceived difficulty in opening containers of medications or vitamins. It focuses on functional capacity rather than physical strength, capturing how easily you can access your treatments independently.

Why It Matters in Your Care

Difficulty with medication access can stem from physical limitations, dexterity issues, or environmental factors. Identifying these challenges helps healthcare providers tailor support—such as assistive tools, alternative packaging, or adjustments to your treatment plan—to ensure you can consistently take your medications safely and effectively.

How It’s Performed

You’ll complete a simple questionnaire or short interview where you rate your difficulty opening containers of your medications or vitamins. No blood, urine, or lab specimens are required.

Common Causes of Medication Access Challenges

Difficulty may arise from factors like arthritis, vision problems, limited hand strength, or containers that are too small or hard to grip. Some medications come in bottles with tight seals or small openings, which can make opening them difficult over time.

Reference range

NCBI: Vitamin C 0.4-2.0 mg/dLN/A

Specimen: serum

Fasting for 8-12 hours preferred for some tests. Inform about supplements you are taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Results may reveal barriers to medication adherence that could impact your health outcomes. Early identification allows healthcare teams to implement practical solutions, such as recommending larger-capacity containers, assistive devices, or modifications to your treatment schedule to reduce frustration and ensure consistent compliance.

Short name

Functional Medication Adherence Test

Frequently asked questions

Will this test involve a blood draw or urine sample?
No, this test is a simple questionnaire or interview focused on your experience with opening medications or vitamins. It does not require any lab specimens.
How long will it take to get my results?
Results are typically available within a few days to a week, depending on how your healthcare provider processes them. Your provider will discuss the findings with you during your next visit.
Can I use this test to help me get assistive tools or modifications for my medications?
Yes, this test can help identify specific challenges you face. Share your results with your healthcare provider, who may recommend assistive tools, alternative packaging, or other strategies to improve medication access and adherence.
  1. 1
  2. 2
  3. 3

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 17, 2026. · Read our editorial policy