K59.03 is the authoritative medical code for Drug induced constipation. This classification is used in medical billing and clinical recording to specify the clinical criteria for drug induced constipation (ICD-10-CM K59.03), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Drug induced constipation is a billable ICD-10-CM diagnosis code K59.03. Excludes1 (not coded here): fecal impaction K56.41; change in bowel habit NOS R19.4; intestinal malabsorption K90.-; psychogenic intestinal disorders F45.8. Excludes2 (not included here): incomplete defecation R15.0; functional disorders of stomach K31.-. Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for K59.03 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- fecal impaction K56.41
- change in bowel habit NOS R19.4
- intestinal malabsorption K90.-
- psychogenic intestinal disorders F45.8
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- incomplete defecation R15.0
- functional disorders of stomach K31.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with K59.03?
Per Excludes1 instructions, K59.03 must not be reported with: fecal impaction (K56.41); change in bowel habit NOS (R19.4); intestinal malabsorption (K90.-); psychogenic intestinal disorders (F45.8).
Can K59.03 be reported alongside related conditions?
Per Excludes2 instructions, K59.03 and the following may both be reported when both are present: incomplete defecation (R15.0); functional disorders of stomach (K31.-).
Is an additional code needed with K59.03?
Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
Codes in This Family (17)
Official ICD-10-CM classifications in the same code family as K59.03, with their registry titles.
- K59 — Other functional intestinal disorders
- K59.0 — Constipation
- K59.00 — Constipation, unspecified
- K59.01 — Slow transit constipation
- K59.02 — Outlet dysfunction constipation
- K59.04 — Chronic idiopathic constipation
- K59.09 — Other constipation
- K59.1 — Functional diarrhea
- K59.2 — Neurogenic bowel, not elsewhere classified
- K59.3 — Megacolon, not elsewhere classified
- K59.31 — Toxic megacolon
- K59.39 — Other megacolon
- K59.4 — Anal spasm
- K59.8 — Other specified functional intestinal disorders
- K59.81 — Ogilvie syndrome
- K59.89 — Other specified functional intestinal disorders
- K59.9 — Functional intestinal disorder, unspecified
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Constipation (atonic) (neurogenic) (simple) (spastic), drug-induced
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: