Non-Billable / Non-Specific Code
ICD-10-CM R39.85 is the diagnosis code for Costovertebral (angle) tenderness. This code falls under the section "Symptoms and signs involving the genitourinary system" within Chapter 18 â Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in R39.85. If the patient has both, code each condition separately:
Understanding where R39.85 sits in the ICD-10-CM classification helps ensure proper coding:
No, R39.85 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R39.85 is the ICD-10-CM diagnosis code for "Costovertebral (angle) tenderness". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of R39.85 is R39.8 ("Other symptoms and signs involving the genitourinary system"). R39.85 provides a more specific classification within this category.
R39.85 is located in Section R30-R39 â "Symptoms and signs involving the genitourinary system" within Chapter 18 of the ICD-10-CM Tabular List.
R39.85 has 4 sub-code(s) that provide more specific detail: R39.851, R39.852, R39.853, R39.859.
Use R39.85 when the patients documented diagnosis matches "Costovertebral (angle) tenderness" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Costovertebral (angle) tenderness is R39.85.
No, R39.85 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R39.85 is in Chapter 18 of the ICD-10-CM Tabular List.
Yes, R39.85 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.