R39.85Header code — not billable

Costovertebral (angle) tenderness

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R39
Effective date
October 1, 2026

Related codes in category R39

Frequently asked questions

What is ICD-10 code R39.85?

R39.85 is an ICD-10-CM diagnosis code for Costovertebral (angle) tenderness.

Is R39.85 a billable code?

No. R39.85 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R39.85 in?

R39.85 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R39.85 become effective?

R39.85 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R39.85?

R39.85 belongs to category R39, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.