ICD-10 Code B90.9 – Sequelae of respiratory and unspecified tuberculosis (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code B90.9 – Sequelae of respiratory and unspecified tuberculosis
What it is
B90.9 identifies lasting effects of prior respiratory or unspecified tuberculosis after the active infection has ended. Use it when the current problem is a residual condition, not ongoing TB disease.
Clinical signs
Clinical features vary; refer to documentation. Residual findings may include chronic pulmonary changes, scarring, or other persistent sequelae attributed to previous tuberculosis.
When to use this code
Use B90.9 when the record states the patient has sequelae from past respiratory or unspecified tuberculosis and no active infection is documented. It fits follow-up visits focused on residual impairment, old scarring, or chronic effects. Code the current residual condition if it is specifically named.
Do not use for
Do not use this code for active tuberculosis, suspected TB, or screening encounters. Do not assign it when documentation does not clearly link the residual condition to prior tuberculosis.
Coding tip
Verify that the provider documents a post-tuberculosis residual effect; if the link is unclear, check documentation before coding B90.9.