2026 ICD-10-CM Diagnosis Code B38.89Other forms of coccidioidomycosis

ICD-10-CM Codes›A00–B99›B35-B49›B38

ICD-10-CM B38.89
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B38.89 is a billable ICD-10-CM diagnosis code for other forms of coccidioidomycosis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 867 through 869, 974 through 976. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Fungal infections.

Code Identity

ICD-10-CM Code
B38.89
Billable Status
Yes — Valid for Submission
Code Describes
Other forms of coccidioidomycosis
Short Description
Other forms of coccidioidomycosis
Same as the full description in the CMS dataset.
Parent Code
B38.8
Other forms of coccidioidomycosis

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB35-B49Mycoses
CategoryB38Coccidioidomycosis
This CodeB38.89Other forms of coccidioidomycosis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chorioretinitis with coccidioidmycosis
  • Coccidioides infection of the central nervous system
  • Coccidioidomycosis of bone
  • Coccidioidomycosis of joint
  • Fungal chorioretinitis
  • Fungal choroiditis
  • Myelitis caused by Coccidioides
  • Myelitis caused by fungus
  • Primary extrapulmonary coccidioidomycosis
  • Progressive coccidioidomycosis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Coccidioidomycosis
      • specified NEC

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INF004
Fungal infections
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Valley Fever

Valley Fever is a disease caused by a fungus (or mold) called Coccidioides. The fungi live in the soil of dry areas like the southwestern U.S. You get it from inhaling the spores of the fungus. The infection cannot spread from person to person.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert B38.89 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
114.3 Progress coccidioid NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B38.89Overview

Is B38.89 (Other forms of coccidioidomycosis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other forms of coccidioidomycosis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does B38.89 group to?

When other forms of coccidioidomycosis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 867, 868, 869, 974, 975, 976, with relative weights from 0.7297 to 2.8860 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of B38.89?

Under the General Equivalence Mappings, other forms of coccidioidomycosis converts to ICD-9-CM 114.3 (progress coccidioid NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.