ICD-10 Code B90 – Sequelae of tuberculosis (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code B90 – Sequelae of tuberculosis
What it is
B90 identifies late effects left after a prior tuberculosis infection has ended. Use it for residual conditions caused by earlier TB, not for active disease.
Clinical signs
Clinical features vary; refer to documentation. Commonly, the record shows a past history of tuberculosis with ongoing residual organ damage, scarring, or other chronic aftereffects.
When to use this code
Use B90 when the provider documents a current condition as a sequela of previous tuberculosis and the active infection is no longer present. It may apply when old TB has left persistent pulmonary or other residual findings. Code the sequela only when the link to prior TB is clear in the chart.
Do not use for
Do not use B90 for active tuberculosis, suspected TB, or screening encounters. If documentation does not clearly connect the residual problem to prior TB, check documentation.
Coding tip
Confirm both the prior TB history and the residual condition before assigning B90.