FY2024
Effective from
- Code-level rules changed
Constipation
Category — select a more specific code
CDC/NCHS · FY2024fecal impaction (K56.41)
incomplete defecation (R15.0)
functional disorders of stomach (K31.-)
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2024
Effective from
Constipation
Category — select a more specific code
CDC/NCHS · FY2024| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | Code-level rules changed |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | Code-level rules changed |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | Code-level rules changed |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
fecal impaction (K56.41)
incomplete defecation (R15.0)
functional disorders of stomach (K31.-)
K59.00Constipation, unspecifiedBillable / specificK59.01Slow transit constipationBillable / specificK59.02Outlet dysfunction constipationBillable / specificK59.03Drug induced constipationBillable / specificK59.04Chronic idiopathic constipationBillable / specificK59.09Other constipationBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| K59.1 | Functional diarrhea | Billable / specific |
| K59.2 | Neurogenic bowel, not elsewhere classified | Billable / specific |
| K59.3 | Megacolon, not elsewhere classified | Category · further specificity required |
| K59.4 | Anal spasm | Billable / specific |
| K59.8 | Other specified functional intestinal disorders | Category · further specificity required |
| K59.9 | Functional intestinal disorder, unspecified | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗
Excludes 2 · constipation (K59.0-)
Excludes 1 · constipation (K59.0-)