K59.0

Constipation

Header / non-billable

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · K59.0
Excludes 1

fecal impaction (K56.41)

Excludes 2

incomplete defecation (R15.0)

Inherited from K59Other functional intestinal disorders
Excludes 1

change in bowel habit NOS (R19.4) intestinal malabsorption (K90.-) psychogenic intestinal disorders (F45.8)

Excludes 2

functional disorders of stomach (K31.-)

Inherited from chapter 11Diseases of the digestive system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for K59.0

FY 2026 ›