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Table 2 Communication ICD-9 codes

From: Silence in the EHR: infrequent documentation of aphonia in the electronic health record

ICD-9 code

Frequency across all encounter notes (n = 7,484)

Frequency across patient charts (n = 81)

784.3 Aphasia

1

1

784.41 Aphonia

340

27

784.49 Other voice and resonance disorders

2

2*

784.5 Other speech disturbance

6

2**

Total

349

29***

  1. *Two charts also have 784.41 code.
  2. **One chart also has 784.41 code.
  3. ***Excludes duplicate charts.
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BMC Health Services Research

ISSN: 1472-6963

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