2027 ICD-10-CM Diagnosis Code B37.6Candidal endocarditis
ICD-10-CM Codes›A00–B99›B35-B49›B37
- Billable — Valid for Submission
- MCC — Major Complication or Comorbidity
- Not Chronic
B37.6 is a billable ICD-10-CM diagnosis code for candidal endocarditis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 288 through 290, 791, 793, 974 through 976. As a secondary diagnosis, it counts as a major complication or comorbidity (MCC) and places an inpatient stay in the highest severity level of its MS-DRG family. It does not count, however, when the principal diagnosis is one of 24 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Endocarditis and endocardial disease and Fungal infections.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Candidal endocarditis
- Mycotic endocarditis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to B37.6: its own notes plus those printed at B37, block B35-B49, and Chapter 1. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- candidosis
- moniliasis
- diseases generally recognized as communicable or transmissible
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify resistance to antimicrobial drugs (Z16.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name B37.6, its category, or a range that includes it.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Candidal Endocarditis
endocarditis caused by fungal infection with candida species.Candidiasis
infection with a fungus of the genus candida. it is usually a superficial infection of the moist areas of the body and is generally caused by candida albicans. (dorland, 27th ed)
Patient EducationClinical
Endocarditis
Endocarditis is sometimes called infective endocarditis. It's a rare but life-threatening inflammation of the lining inside your heart's chambers and valves (the endocardium).
The full article covers:
- What is endocarditis?
- What causes endocarditis?
- Who is more likely to develop endocarditis?
- What are the symptoms of endocarditis?
- What other problems can endocarditis cause?
- How is endocarditis diagnosed?
- What are the treatments for endocarditis?
- Can endocarditis be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert B37.6 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About B37.6Overview
What is the ICD-10 code for candidal endocarditis?
The ICD-10-CM code for candidal endocarditis is B37.6 (sometimes written as B376). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is B37.6 (Candidiasis) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report candidal endocarditis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does B37.6 group to?
When candidal endocarditis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 793, 289, 791, 974, 976, 975, 288, 290, with relative weights from 0.7843 to 4.2192 depending on complications. Higher weights mean higher Medicare reimbursement.
Is B37.6 a CC or MCC?
CMS lists B37.6 as an MCC (major complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it places the inpatient stay in the highest-weighted DRG of its severity family. It does not count when the principal diagnosis is one of the 24 closely related codes in its exclusion list.
Can B37.6 be reported with P37.5?
Not as a rule. The Excludes1 note at B37, which applies to B37.6, lists "neonatal candidiasis (P37.5)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
