HCC Buddy Code Card
FY 2026 Apr updateG63Billable
Polyneuropathy in diseases classified elsewhere
CMS-HCC V24
HCC 75
RAF 0.472
RxHCC
RxHCC 158
RAF 0.074
ESRD/PACE
HCC 75
RAF 0.074
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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
Polyneuropathy in diseases classified elsewhere
See Tabular List: G63
G63, Polyneuropathy in diseases classified elsewhere
Selected code, source checked for the selected effective period
Commonly confused codes
official sourceNot listed for this effective period.
Code details and official notes
billable
Includes
official sourceNot listed for this effective period.
Excludes 1
official source- polyneuropathy (in):
- diabetes mellitus (E08-E13 with .42)
- diphtheria (A36.83)
- infectious mononucleosis complicated by polyneuropathy (B27.0-B27.9 with fifth character 1)
- Lyme disease (A69.22)
- mumps (B26.84)
- postherpetic (B02.23)
- rheumatoid arthritis (M05.5-)
- scleroderma (M34.83)
- systemic lupus erythematosus (M32.19)
Excludes 2
official sourceNo Excludes 2 note is listed in this source payload.
Code First
official source- underlying disease, such as:
- amyloidosis (E85.-)
- endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)
- metabolic diseases (E70-E88)
- neoplasm (C00-D49)
- nutritional deficiency (E40-E64)
Use Additional
official sourceNot listed for this effective period.
Code Also
official sourceNot listed for this effective period.
7th character
official sourceNot listed for this code in the selected Tabular payload.
Placeholder X
official sourceNot listed for this code in the selected Tabular payload.
Laterality
official sourceNo 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
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01
Index trail
Polyneuropathy in diseases classified elsewhere
See Tabular List: G63
G63, Polyneuropathy in diseases classified elsewhere
Selected code, source checked for the selected effective period
Commonly confused codes
official sourceNot listed for this effective period.
Code details and official notes
billable
Includes
official sourceNot listed for this effective period.
Excludes 1
official source- polyneuropathy (in):
- diabetes mellitus (E08-E13 with .42)
- diphtheria (A36.83)
- infectious mononucleosis complicated by polyneuropathy (B27.0-B27.9 with fifth character 1)
- Lyme disease (A69.22)
- mumps (B26.84)
- postherpetic (B02.23)
- rheumatoid arthritis (M05.5-)
- scleroderma (M34.83)
- systemic lupus erythematosus (M32.19)
Excludes 2
official sourceNo Excludes 2 note is listed in this source payload.
Code First
official source- underlying disease, such as:
- amyloidosis (E85.-)
- endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)
- metabolic diseases (E70-E88)
- neoplasm (C00-D49)
- nutritional deficiency (E40-E64)
Use Additional
official sourceNot listed for this effective period.
Code Also
official sourceNot listed for this effective period.
7th character
official sourceNot listed for this code in the selected Tabular payload.
Placeholder X
official sourceNot listed for this code in the selected Tabular payload.
Laterality
official sourceNo 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
V28 source requiredHCC 75 Myasthenia Gravis/Myoneural Disorders and Guillain-Barre Syndrome/Inflammatory and Toxic Neuropathy (V24)HCC 158 Guillain-Barre Syndrome and Other Polyneuropathies (RxHCC)HCC 75 Myasthenia Gravis/Myoneural Disorders and Guillain-Barre Syndrome/Inflammatory and Toxic Neuropathy (ESRD/PACE)HCC 115 HHS-HCC 115; HHS-HCC 2026 benefit year (HHS-HCC)
RAF Value
V28 RAF source requiredV24: RAF: 0.472RxHCC: RAF: 0.074ESRD/PACE: RAF: 0.074HHS-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 Jess P., CPC
HCC Buddy workflow band
HCC mapping, RAF, MEAT, source trail, and audit caution stay in view.
MEAT supportaudit cautionsource required
V24
HCC 75
Myasthenia Gravis/Myoneural Disorders and Guillain-Barre Syndrome/Inflammatory and Toxic Neuropathy
RAF: 0.472
RxHCC
RxHCC 158
Guillain-Barre Syndrome and Other Polyneuropathies
RAF: 0.074
ESRD/PACE
HCC 75
Myasthenia Gravis/Myoneural Disorders and Guillain-Barre Syndrome/Inflammatory and Toxic Neuropathy
RAF: 0.074
HHS-HCC
HCC 115
HHS-HCC 115; HHS-HCC 2026 benefit year
RAF: Varies by metal level
MEAT checklist
Reviewed by Jess P., CPCMonitor, Evaluate, Assess, or Treat must be supported in the provider note.
HCC Buddy guidance, not official ICD-10-CM text.
Audit caution
Reviewed by Jess P., CPCClose codes need documentation support before selection. Do not assume relationships.
HCC Buddy guidance, not official ICD-10-CM text.
Reviewer sign-off
Reviewed by Jess P., CPCMEAT, 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.
Reviewed by Jess P., CPCFY2026 Apr update
Code
G63
V28 HCC
Not mapped
RAF
source required
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