Miliary tuberculosis
In Tuberculosis (A15-A19), chapter 1: Certain Infectious and Parasitic Diseases
5 billable codes under A19: all are an MCC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Instructional notes
Includes: conditions that are coded here
- disseminated tuberculosis
- generalized tuberculosis
- tuberculous polyserositis
Also applies, from Tuberculosis (A15-A19)
These notes sit on A15-A19 and apply to every code under it, including A19.
Includes: conditions that are coded here
- infections due to Mycobacterium tuberculosis and Mycobacterium bovis
Excludes1: not coded here, use a different code
- congenital tuberculosis (P37.0)
- nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
- pneumoconiosis associated with tuberculosis, any type in A15 (J65)
- positive PPD (R76.11)
- positive tuberculin skin test without active tuberculosis (R76.11)
- sequelae of tuberculosis (B90.-)
- silicotuberculosis (J65)
Use additional code: add a second code for this, listed after this one
- code, if applicable, for associated cachexia (E88.A)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding infections and parasitic diseases, including HIV, organism and drug resistance codes, sepsis and septic shock, MRSA, Zika, and COVID-19.
- Human Immunodeficiency Virus (HIV) Infections (page 19)
- Infectious agents as the cause of diseases classified to other chapters (page 22)
- Infections resistant to antibiotics (page 22)
- Sepsis, Severe Sepsis, and Septic Shock (page 23)
- Methicillin Resistant Staphylococcus aureus (MRSA) Conditions (page 27)
- Zika virus infections (page 28)
- Coronavirus infections (page 28)
All codes under A19
A19 can't be used on a claim. Pick a billable code below; grey headings group them.
A19 MS-DRGs
As the principal diagnosis, all 5 billable codes under A19 group to MS-DRG 867, 868, 869, 974, 975, or 976 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 867 Other Infectious and Parasitic Diseases Diagnoses with MCC
- DRG 868 Other Infectious and Parasitic Diseases Diagnoses with CC
- DRG 869 Other Infectious and Parasitic Diseases Diagnoses without CC/MCC
- DRG 974 HIV with Major Related Condition with MCC
- DRG 975 HIV with Major Related Condition with CC
- DRG 976 HIV with Major Related Condition without CC/MCC
Other codes that refer to A19
Notes on these codes point to A19.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Tuberculosis
Tuberculosis (TB) is a bacterial disease that usually attacks the lungs. But it can also attack other parts of the body, including the kidneys, spine, and brain.
Read more about tuberculosis on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.