| ICD-10-CM-2023 > K00-K95 > K55-K64 > K59 |
K55-K64 | Other diseases of intestines | |
K59 | Other functional intestinal disorders | |
Excl1.: | change in bowel habit NOS (R19.4) intestinal malabsorption (K90.-) psychogenic intestinal disorders (F45.8) | |
Excl2.: | functional disorders of stomach (K31.-) | |
K59.0 | Constipation | |
Excl1.: | fecal impaction (K56.41) incomplete defecation (R15.0) | |
K59.00 | Constipation, unspecified | |
K59.01 | Slow transit constipation | |
K59.02 | Outlet dysfunction constipation | |
K59.03 | Drug induced constipation | |
Use add'l | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) | |
K59.04 | Chronic idiopathic constipation | |
Info: | Functional constipation | |
K59.09 | Other constipation | |
Info: | Chronic constipation | |
K59.1 | Functional diarrhea | |
Excl1.: | diarrhea NOS (R19.7) irritable bowel syndrome with diarrhea (K58.0) | |
K59.2 | Neurogenic bowel, not elsewhere classified | |
K59.3 | Megacolon, not elsewhere classified | |
Info: | Dilatation of colon | |
Code first | , if applicable (T51-T65) to identify toxic agent | |
Excl1.: | 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) | |
K59.31 | Toxic megacolon | |
K59.39 | Other megacolon | |
Info: | Megacolon NOS | |
K59.4 | Anal spasm | |
Info: | Proctalgia fugax | |
K59.8 | Other specified functional intestinal disorders | |
K59.81 | Ogilvie syndrome | |
Info: | Acute colonic pseudo-obstruction (ACPO) | |
K59.89 | Other specified functional intestinal disorders | |
Info: | Atony of colon Pseudo-obstruction (acute) (chronic) of intestine | |
K59.9 | Functional intestinal disorder, unspecified | |
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