ICD-10 Code
International Classification of Diseases, 10th Revision
Oct 19, 2017
K59.3 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Megacolon, not elsewhere classified
Inclusion Term
  • Dilatation of colon
Code First
  • , if applicable (T51-T65) to identify toxic agent
  • congenital megacolon (aganglionic) (Q43.1)
  • megacolon (due to) (in) Chagas' disease (B57.32)
  • megacolon (due to) (in) Clostridium difficile (A04.7-)
  • megacolon (due to) (in) Hirschsprung's disease (Q43.1)

More specific codes for Megacolon, not elsewhere classified

See also ICD 10 code for
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to K59.3 Megacolon, not elsewhere classified

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.