A37.1

Non-Billable
ChapterA00–B99
Ranksubcategory
Official Description

Whooping cough due to Bordetella parapertussis

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A37Whooping cough
A37.1Whooping cough due to Bordetella parapertussisNot billable
A37.10Whooping cough due to Bordetella parapertussis without pneumoniaBillable
A37.11Whooping cough due to Bordetella parapertussis with pneumoniaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A37.1:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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