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Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01

Index trail

Partial traumatic amputation of left foot at ankle level

See Tabular List: S98.022A

S98, Traumatic amputation of ankle and foot

S98.0, Traumatic amputation of foot at ankle level

S98.02, Partial traumatic amputation of foot at ankle level

S98.022, Partial traumatic amputation of left foot at ankle level

S98.022A, Partial traumatic amputation of left foot at ankle level, initial encounter

Selected code, source checked for the selected effective period

Commonly confused codes

official source

Not listed for this effective period.

Code details and official notes

S98.022A

Partial traumatic amputation of left foot at ankle level, initial encounter

Open the shareable code page for S98.022A→
billableHCC mapped

Includes

official source

Not listed for this effective period.

Excludes 1

official source

No Excludes 1 note is listed in this source payload.

Excludes 2

official source

No Excludes 2 note is listed in this source payload.

Code First

official source

Not listed for this effective period.

Use Additional

official source

Not listed for this effective period.

Code Also

official source

Not listed for this effective period.

7th character

official source

Not listed for this code in the selected Tabular payload.

Placeholder X

official source

Not listed for this code in the selected Tabular payload.

Laterality

official source

No laterality instruction is listed for this code in the selected Tabular payload.

Effective period

source required
  • FY2026 Apr update
  • Source year 2026
  • Updated 2026-04-01
  • HCC Buddy public API
HCC Buddy
HCC Buddy
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01

Index trail

Partial traumatic amputation of left foot at ankle level

See Tabular List: S98.022A

S98, Traumatic amputation of ankle and foot

S98.0, Traumatic amputation of foot at ankle level

S98.02, Partial traumatic amputation of foot at ankle level

S98.022, Partial traumatic amputation of left foot at ankle level

S98.022A, Partial traumatic amputation of left foot at ankle level, initial encounter

Selected code, source checked for the selected effective period

Commonly confused codes

official source

Not listed for this effective period.

Code details and official notes

S98.022A

Partial traumatic amputation of left foot at ankle level, initial encounter

Open the shareable code page for S98.022A→
billableHCC mapped

Includes

official source

Not listed for this effective period.

Excludes 1

official source

No Excludes 1 note is listed in this source payload.

Excludes 2

official source

No Excludes 2 note is listed in this source payload.

Code First

official source

Not listed for this effective period.

Use Additional

official source

Not listed for this effective period.

Code Also

official source

Not listed for this effective period.

7th character

official source

Not listed for this code in the selected Tabular payload.

Placeholder X

official source

Not listed for this code in the selected Tabular payload.

Laterality

official source

No laterality instruction is listed for this code in the selected Tabular payload.

Effective period

source required
  • FY2026 Apr update
  • Source year 2026
  • Updated 2026-04-01
  • HCC Buddy public API
HCC Buddy Insights

HCC Mapping

HCC 405 Traumatic Amputations and Complications (V28)HCC 173 Traumatic Amputations and Complications (V24)RxHCC source requiredHCC 173 Traumatic Amputations and Complications (ESRD/PACE)HCC 234 HHS-HCC 234; HHS-HCC 2026 benefit year (HHS-HCC)

RAF Value

V28: RAF: 0.598V24: RAF: 0.208RxHCC RAF source requiredESRD/PACE: RAF: 0.050HHS-HCC: RAF: Varies by metal level

Model Period

FY2026 Apr update

Source

source required

Audit Caution

Close codes need documentation support before selection. Do not assume relationships.
Reviewed by the HCC Buddy Coding Team

HCC Buddy workflow band

HCC mapping, RAF, MEAT, source trail, and audit caution stay in view.

MEAT supportaudit cautionsource required

V28

HCC 405

Traumatic Amputations and Complications

RAF: 0.598

V24

HCC 173

Traumatic Amputations and Complications

RAF: 0.208

ESRD/PACE

HCC 173

Traumatic Amputations and Complications

RAF: 0.050

HHS-HCC

HCC 234

HHS-HCC 234; HHS-HCC 2026 benefit year

RAF: Varies by metal level

MEAT checklist

Reviewed by the HCC Buddy Coding Team

Monitor, Evaluate, Assess, or Treat must be supported in the provider note.

HCC Buddy guidance, not official ICD-10-CM text.

Audit caution

Reviewed by the HCC Buddy Coding Team

Close codes need documentation support before selection. Do not assume relationships.

HCC Buddy guidance, not official ICD-10-CM text.

Reviewer sign-off

Reviewed by the HCC Buddy Coding Team

MEAT, documentation support, audit cautions, and close-code guidance are reviewed and approved for this effective period.

HCC Buddy enrichment is separate from official source text.

Last updated: April 1, 2026 · Not a substitute for official coding guidelines. No PHI or patient data.
HCC Buddy Code Card
FY 2026 Apr update
S98.022ABillable

Partial traumatic amputation of left foot at ankle level, initial encounter

CMS-HCC V28

HCC 405

RAF 0.598

CMS-HCC V24

HCC 173

RAF 0.208

ESRD/PACE

HCC 173

RAF 0.050

Reviewed by the HCC Buddy Coding TeamFY2026 Apr update

Code

S98.022A

V28 HCC

HCC 405

RAF

0.598

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