Ability to Open a New Milk Carton — Past-Week Patient-Reported Hand Function
A patient-reported question about hand grip and dexterity, such as being able to open a new milk carton during the past week.
Difficulty opening a milk carton may reflect reduced hand grip strength or dexterity.
Key facts at a glance
- LOINC
- 75826-8
- Short code
- OVERTHEPASTWAREYOUABLETOOPENANEWMILKCARTON
- Synonyms
- —
- Category
- liver
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 10
- Ref high
- 40
- Critical range
- — – 500 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- haq
- CPT
- 84484
- SNOMED
- 302774002
- 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 is this test?
This is a patient-reported functional assessment, not a laboratory blood, urine, or imaging test. It asks whether you have been able to open a new milk carton over the past week as a way to evaluate hand grip, strength, and dexterity.
Why might I need this test?
Clinicians may use this question to monitor hand function, recovery, or the effects of a condition that can cause weakness, pain, stiffness, numbness, or reduced dexterity. It may also help guide rehabilitation and treatment decisions.
How is the test performed?
You answer the question based on your ability to perform the activity during the specified time period. Your response may be recorded alone or as part of a broader symptom and function questionnaire.
How do I prepare for the test?
No special preparation is required. Think carefully about your typical ability over the stated period and report any pain, weakness, numbness, or other difficulty that affected the activity.
Reference range
Adult: 10-40 U/LN/A
No special preparation required. Avoid fatty meals before the test if possible.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Difficulty opening a new milk carton may indicate reduced grip strength, joint pain, inflammation, nerve involvement, or another condition affecting hand function. The finding should be interpreted alongside other symptoms, an examination, and any appropriate laboratory or imaging results.
Short name
Hand Function Assessment
Frequently asked questions
Is this a laboratory test?
What does difficulty opening a milk carton mean?
Should I try opening a milk carton as part of the assessment?
Sources
- 1
- 2Lab Tests OnlineSource
- 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.
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