ICD-10 B70.0
Billable / Specific CCDiphyllobothriasis
About ICD-10-CM B70.0
ICD-10-CM code B70.0 represents Diphyllobothriasis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B70). The 2026 edition of ICD-10-CM B70.0 became effective on October 1, 2025.
Coding Tips for B70.0
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
B70.0 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under B70.0. Per CMS ICD-10-CM Tabular 2026.
- Diphyllobothrium (adult) (latum) (pacificum) infection
- Fish tapeworm (infection)
Type 2 Excludes
Not included here, the excluded code is not part of B70.0, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- larval diphyllobothriasis (B70.1)
Inpatient DRG Impact, CC
codes Diphyllobothriasis. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for B70.0
Local Coverage Determinations (LCDs) from CMS MACs that list B70.0 as a covered diagnosis.
Showing top 10 of 98 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B70.0.
2 Medicare
1 Aetna
CPT Codes Commonly Billed with B70.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 45307 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45309 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45308 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45303 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45321 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45347 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45320 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 0885T CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45327 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
- 45317 CMS LCD: Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy CMS LCD
Convert B70.0 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 |
|---|---|---|
| B70.0 | 1234 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B70.0
Other codes in section B65-B83 (Helminthiases).
ICD-10 B70.0, Billing FAQ
Is ICD-10 code B70.0 billable? +
Yes, B70.0 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 B70.0? +
ICD-10 B70.0 includes: Diphyllobothrium (adult) (latum) (pacificum) infection; Fish tapeworm (infection).
What codes are Type 2 Excludes for B70.0? +
Type 2 Excludes (may be coded together when both conditions exist): larval diphyllobothriasis (B70.1)
Is B70.0 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with B70.0? +
Procedures frequently paired with B70.0 include: 45307, 45309, 45308, 45303, 45321.
What ICD-9 codes does B70.0 map to? +
Per CMS GEMs, B70.0 maps to ICD-9 codes: 1234. 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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