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Home / ICD-10-CM / Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) / Symptoms and signs involving the digestive system and abdomen (R10-R19)

R10.21: Pelvic and perineal pain right side

ICD-10-CM code R10.21

New code · FY2026

Billable: use this code on claims.

  • New code, effective October 1, 2025 (FY2026).

Code breakdown

R10.21

  1. R10CategoryAbdominal and pelvic pain
  2. 2Character 4Pelvic and perineal pain
  3. 1Character 5Pelvic and perineal pain right side

Coding notes

Excludes1 (from R10.2)

  • vulvodynia (N94.81)

Excludes2 (from R10.2)

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

Excludes1 (from R10)

  • renal colic (N23)

Excludes2 (from R10)

  • costovertebral (angle) tenderness (R39.85)
  • dorsalgia (M54.-)
  • flatulence and related conditions (R14.-)

Medicare coverage

R10.21 is listed as a covered diagnosis in 24 Medicare billing and coding articles:

  • A52453 Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
  • A55028 Billing and Coding: Lab: Bladder/Urothelial Tumor Markers
  • A55336 Billing and Coding: Retroperitoneal Ultrasound
  • A55937 Billing and Coding: Diagnostic Colonoscopy
  • A56034 Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy
  • A56421 Billing and Coding: CT of the Abdomen and Pelvis
  • A56456 Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56461 Billing and Coding: Endoscopy by Capsule
  • A56607 Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
  • A56632 Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy

…and 14 more. Check the coverage tool for your CPT code.

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.