Modified Finnegan Neonatal Abstinence Score (NAS)
Calculator
When to use
Cry
Normal
Excessive high-pitched cry < 5 minutes
Continuous high-pitched cry > 5 minutes
Sleep
Sleeps > 3 hours after feeding
Sleeps < 3 hours after feeding
Sleeps < 2 hours after feeding
Sleeps < 1 hour after feeding
Moro reflex
Normal
Hyperactive
Markedly hyperactive
Tremor
None
Mild tremors when disturbed
Moderate-to-severe tremors when disturbed
Mild tremors when undisturbed
Moderate-to-severe tremors when undisturbed
Increased muscle tone
No
Yes
Excoriations (chin, knees, elbows, toes, nose)
No
Yes
Myoclonic jerks (twitching/jerking of limbs)
No
Yes
Generalized convulsions
No
Yes
Sweating
No
Yes
Hyperthermia
None
37.2-38.3 degrees C [99.0-100.9 degrees F]
> 38.3 degrees C [> 100.9 degrees F]
Frequent yawning
No
Yes
Mottling
No
Yes
Nasal stuffiness
No
Yes
Sneezing (> 3-4 times per scoring interval)
No
Yes
Nasal flaring
No
Yes
Respiratory rate
Normal
> 60 breaths/minute without retractions
> 60 breaths/minute with retractions
Excessive sucking
No
Yes
Poor feeding
No
Yes
Regurgitation
No
≥ 2 times during/after feeding
Projectile vomiting
No
Yes
Stools
Normal
Loose curds/seedy)
Watery water ring on diaper around stool)
Calculation
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