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HCC Buddy Code Book

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HCC Buddy
HCC Buddy
Alphabetic Index and Tabular path
Code details and official notes

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Chapter tabs, official ranges, code counts, focus sections, billable flags, and HCC mapped filters are wired to the source bridge.

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Chapter 1

A00-B99

Chapter 1

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Chapter 2

C00-D49

Chapter 2

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Chapter 3

D50-D89

Chapter 3

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Chapter 4

E00-E89

Chapter 4

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Chapter 9

I00-I99

Chapter 9

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Chapter 10

J00-J99

Chapter 10

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Chapter 21

Z00-Z99

Chapter 21

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Expanded family sample: J40-J4A

FY2026 Apr updateShowing 0 of 0 source rows

No rows match this filter for the selected effective period.

HCC Buddy
HCC Buddy
Code details and official notes

Chapter browse

Chapter tabs, official ranges, code counts, focus sections, billable flags, and HCC mapped filters are wired to the source bridge.

source required for live chapterssource year requiredupdate date required
Chapter 1

A00-B99

Chapter 1

0 codes

Focus sections not loaded for this chapter yet.

Chapter 2

C00-D49

Chapter 2

0 codes

Focus sections not loaded for this chapter yet.

Chapter 3

D50-D89

Chapter 3

0 codes

Focus sections not loaded for this chapter yet.

Chapter 4

E00-E89

Chapter 4

0 codes

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Chapter 9

I00-I99

Chapter 9

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Chapter 10

J00-J99

Chapter 10

0 codes

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Chapter 21

Z00-Z99

Chapter 21

0 codes

Focus sections not loaded for this chapter yet.

Expanded family sample: J40-J4A

FY2026 Apr updateShowing 0 of 0 source rows

No rows match this filter for the selected effective period.

This Code Book section keeps the same source period, cloud background, and open-book layout as the main code detail surface.
Last updated: April 1, 2026 · Not a substitute for official coding guidelines. No PHI or patient data.

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