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Breast Milk Adequacy Assessment

Published: August 9, 2026Updated: August 16, 2026

Assesses whether breast milk is considered adequate to meet an infant's nutritional needs.

Quick summary

["The result indicates whether breast milk is judged adequate, with any feeding concerns discussed with a healthcare professional."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
75294-9
Short code
Adeq brst milk
Synonyms
Adeq brst milk
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
3.5
Ref high
5
Critical range
2.5 N/A – 6.5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
84132
SNOMED
110742001
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 assessment evaluates whether breast milk is considered adequate for an infant's needs. It may be based on a breast-milk sample, feeding evaluation, or the infant's growth and output.

Why might I need this test?

It may be used when there is concern about milk supply, infant feeding, weight gain, hydration, or the amount of milk being produced.

How is the test performed?

If a milk sample is required, breast milk is collected or pumped according to the instructions provided by the healthcare team. A clinician may also assess feeding frequency, milk production, infant weight, and diaper output.

How do I prepare for the test?

Follow the specific collection instructions given by your clinician or lactation specialist. If no sample collection is requested, keep a record of feeding times, diaper output, and any changes in the infant's weight.

Reference range

Adult: 3.5-5.0 mmol/LN/A

Specimen: serum

No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Breast Milk Adequacy

Frequently asked questions

Does an adequate result mean my baby will always feed well?
No. Milk adequacy is only one part of evaluating breastfeeding. Infant behavior, latch, feeding frequency, growth, hydration, and overall health also matter.
What can I do if my milk is considered inadequate?
Contact your clinician or a lactation specialist. They can review feeding technique, frequency of feeding, milk transfer, and the baby's weight and output, and recommend appropriate support.
Can I pump milk before the assessment?
Only do so if your healthcare team has given collection instructions, because the timing and handling of a sample may affect the result.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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 16, 2026. · Read our editorial policy