R10.A
Non-Billable

Pain localized to flank

Non-Billable / Non-Specific Code

What is Pain localized to flank?

ICD-10-CM R10.A is the diagnosis code for Pain localized to flank. This code falls under the section "Symptoms and signs involving the digestive system and abdomen" within Chapter 18 — 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.

💡 Inclusions
â„šī¸ Excludes2

Coding Guidelines for R10.A

✅ This Code Includes

  • Lateral abdomen pain
  • Lateral flank pain
  • Latus region pain

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in R10.A. If the patient has both, code each condition separately:

  • pain localized to other parts of lower abdomen (R10.3-)
  • pain localized to upper abdomen (R10.1-)

ICD-10-CM Code Hierarchy

Understanding where R10.A sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
R10.A0Flank pain, unspecified sideBillableR10.A1Flank pain, right sideBillableR10.A2Flank pain, left sideBillableR10.A3Flank pain, bilateralBillable
Related Codes

Frequently Asked Questions

Is R10.A a billable ICD-10-CM code?

No, R10.A is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does R10.A mean?

R10.A is the ICD-10-CM diagnosis code for "Pain localized to flank". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of R10.A?

The parent code of R10.A is R10 ("Abdominal and pelvic pain"). R10.A provides a more specific classification within this category.

What section is R10.A in?

R10.A is located in Section R10-R19 — "Symptoms and signs involving the digestive system and abdomen" within Chapter 18 of the ICD-10-CM Tabular List.

What are the sub-codes of R10.A?

R10.A has 4 sub-code(s) that provide more specific detail: R10.A0, R10.A1, R10.A2, R10.A3.

When should I use R10.A?

Use R10.A when the patients documented diagnosis matches "Pain localized to flank" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Pain localized to flank?

The ICD-10-CM code for Pain localized to flank is R10.A.

Can R10.A be used for primary diagnosis?

No, R10.A is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is R10.A in?

R10.A is in Chapter 18 of the ICD-10-CM Tabular List.

Is R10.A valid for 2026?

Yes, R10.A is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousR10.9Unspecified abdominal painNext →R10.A0Flank pain, unspecified side
Code Details
R10.A
Pain localized to flank
Non-Billable / Non-Specific Code
18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R10-R19 — Symptoms and signs involving the digestive system and abdomen
2026 ICD-10-CM