ICD-10 B37.89
Billable / Specific CCOther sites of candidiasis
About ICD-10-CM B37.89
ICD-10-CM code B37.89 represents Other sites of candidiasis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B37). The 2026 edition of ICD-10-CM B37.89 became effective on October 1, 2025.
Coding Tips for B37.89
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
B37.89 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 B37.89. Per CMS ICD-10-CM Tabular 2026.
- Candidal osteomyelitis
Inpatient DRG Impact, CC
codes Other sites of candidiasis. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for B37.89
Local Coverage Determinations (LCDs) from CMS MACs that list B37.89 as a covered diagnosis.
Showing top 10 of 666 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B37.89.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with B37.89
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 0031U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 0173U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 0423U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 81407 CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 0349U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 81408 CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 0175U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 0032U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 81220 CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
- 0392U CMS LCD: Billing and Coding: Pharmacogenomics Testing CMS LCD
Convert B37.89 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 |
|---|---|---|
| B37.89 | 11289 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B37.89
Other codes in section B35-B49 (Mycoses).
ICD-10 B37.89, Billing FAQ
Is ICD-10 code B37.89 billable? +
Yes, B37.89 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 B37.89? +
ICD-10 B37.89 includes: Candidal osteomyelitis.
Is B37.89 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 B37.89? +
Procedures frequently paired with B37.89 include: 0031U, 0173U, 0423U, 81407, 0349U.
What ICD-9 codes does B37.89 map to? +
Per CMS GEMs, B37.89 maps to ICD-9 codes: 11289. 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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