Modified Finnegan Neonatal Abstinence Score (NAS)
Stratifies severity of opioid withdrawal in newborns.
INSTRUCTIONS
The NAS should be monitored over time; protocols for management based on scoring may differ by institution but some studies suggest monitoring every 3-4 hours.
When to Use
Central nervous system disturbances
Normal
0Excessive high-pitched cry <5 min
+2Continuous high-pitched cry >5 min
+3Normal
0Sleeps <3 hrs after feeding
+1Sleeps <2 hrs after feeding
+2Sleeps <1 hour after feeding
+3Normal
0Hyperactive
+2Markedly hyperactive
+3None
0Mild tremors when disturbed
+1Moderate-severe tremors when disturbed
+2Mild tremors when undisturbed
+3Moderate-severe tremors when undisturbed
+4No
0Yes
+1No
0Yes
+1No
0Yes
+3No
0Yes
+5Metabolism, vasomotor, and respiratory disturbances
No
0Yes
+1None
037.2-38.3ºC (99.0-100.9ºF)
+1>38.3ºC (>100.9ºF)
+2No
0Yes
+1No
0Yes
+1No
0Yes
+1No
0Yes
+1No
0Yes
+2Normal
0>60 breaths/minute, no retractions
+1>60 breaths/minute with retractions
+2Gastrointestinal disturbances
No
0Yes
+1No
0Yes
+2No
0≥2 times during/post feeding
+2No
0Yes
+3Normal
0Loose (curds/seedy)
+2Watery (water ring on diaper around stool)
+3Result:
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