Skip to content

HCC Buddy Code Book

Skip to code book content
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

Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

See Tabular List: I87.313

I87, Other disorders of veins

I87.3, Chronic venous hypertension (idiopathic)

I87.31, Chronic venous hypertension (idiopathic) with ulcer

I87.313, Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

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

I87.313

Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

Open the shareable code page for I87.313
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
  • code to specify site and severity of ulcer (L97.-)

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

Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

See Tabular List: I87.313

I87, Other disorders of veins

I87.3, Chronic venous hypertension (idiopathic)

I87.31, Chronic venous hypertension (idiopathic) with ulcer

I87.313, Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

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

I87.313

Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

Open the shareable code page for I87.313
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
  • code to specify site and severity of ulcer (L97.-)

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 383 Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle (V28)HCC 107 Vascular Disease with Complications (V24)RxHCC source requiredHCC 107 Vascular Disease with Complications (ESRD/PACE)HCC 217 HHS-HCC 217; HHS-HCC 2026 benefit year (HHS-HCC)

RAF Value

V28: RAF: 0.646V24: RAF: 0.383RxHCC RAF source requiredESRD/PACE: RAF: 0.144HHS-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 383

Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle

RAF: 0.646

V24

HCC 107

Vascular Disease with Complications

RAF: 0.383

ESRD/PACE

HCC 107

Vascular Disease with Complications

RAF: 0.144

HHS-HCC

HCC 217

HHS-HCC 217; 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
I87.313Billable

Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

CMS-HCC V28

HCC 383

RAF 0.646

CMS-HCC V24

HCC 107

RAF 0.383

ESRD/PACE

HCC 107

RAF 0.144

Reviewed by the HCC Buddy Coding TeamFY2026 Apr update

Code

I87.313

V28 HCC

HCC 383

RAF

0.646

Compare tray

Add close codes to compare documentation differences.