ICD-10 K64.1
Billable / SpecificSecond degree hemorrhoids
About ICD-10-CM K64.1
ICD-10-CM code K64.1 represents Second degree hemorrhoids. This is a billable/specific code in the Digestive System chapter (block K64). The 2026 edition of ICD-10-CM K64.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under K64.1. Per CMS ICD-10-CM Tabular 2026.
- Grade/stage II hemorrhoids
- Hemorrhoids (bleeding) that prolapse with straining, but retract spontaneously
Medicare LCD Coverage for K64.1
Local Coverage Determinations (LCDs) from CMS MACs that list K64.1 as a covered diagnosis.
Showing top 10 of 124 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K64.1.
3 Medicare
1 Aetna
CPT Codes Commonly Billed with K64.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert K64.1 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| K64.1 | 4550 | 10000 |
| K64.1 | 4551 | 10000 |
| K64.1 | 4552 | 10000 |
| K64.1 | 4555 | 10000 |
| K64.1 | 4556 | 10000 |
| K64.1 | 4557 | 10000 |
| K64.1 | 4558 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To K64.1
Other codes in section K55-K64 (Other diseases of intestines).
ICD-10 K64.1, Billing FAQ
Is ICD-10 code K64.1 billable? +
Yes, K64.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to K64.1? +
ICD-10 K64.1 includes: Grade/stage II hemorrhoids; Hemorrhoids (bleeding) that prolapse with straining, but retract spontaneously.
What ICD-9 codes does K64.1 map to? +
Per CMS GEMs, K64.1 maps to ICD-9 codes: 4550, 4551, 4552, 4555, 4556. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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