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ICD-10-CM 2027

ICD-10 code for appendix

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Appendix, appendicular”. Page updated September 29, 2026.

About coding appendix

The official ICD-10-CM index doesn't give a single default code for appendix; the code depends on the details below.

More specific appendix codes (official index)

  • epididymis Q55.4 — Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
  • Morgagni
  • female Q50.5 — Embryonic cyst of broad ligament
  • male (epididymal) Q55.4 — Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
  • testicular Q55.29 — Other congenital malformations of testis and scrotum
  • testis Q55.29 — Other congenital malformations of testis and scrotum

Common questions about appendix ICD-10 codes

What is the ICD-10 code for epididymis appendix?

Q55.4 — Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate.

What is the ICD-10 code for testis appendix?

Q55.29 — Other congenital malformations of testis and scrotum.