ICD-10-CM Tabular Index · Chapter 10 · FY 2027 J4B

Pulmonary mycetoma (J4B) ICD-10-CM

The J4B code range covers pulmonary mycetoma with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
1
Diagnosis Codes
1
Billable Codes
J4B
Code Range
J40–J4B
Parent Section

Inclusion Terms

These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Code Also

A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

ICD-10-CM

Codes in the J4B Range 1 codes · 1 billable

1 of 1 shown
  • J4B Pulmonary mycetoma New

About the J4B Code Range

A pulmonary mycetoma is a fungal ball in the lung. J4B sits within chronic lower respiratory diseases, a group under diseases of the respiratory system.

FY 2027 changes: The FY 2027 ICD-10-CM update, effective October 1, 2026, added J4B.

Questions About This Page

How many billable codes are in the J4B range?

Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.

What does the J4B range classify?

The range classifies pulmonary mycetoma. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.