ICD-10-CM 2027
ICD-10 code for opioid-induced constipation
Confirmed by the official ICD-10-CM index entry “constipation (atonic) (neurogenic) (simple) (spastic) › drug-induced”. Page updated September 29, 2026.
About coding opioid-induced constipation
The ICD-10-CM code for opioid-induced constipation is K59.03 (Drug induced constipation).
It is also searched as OIC.
Within K59.0 (constipation), K59.03 is specifically for drug induced constipation. Related codes cover unspecified (K59.00), slow transit constipation (K59.01), outlet dysfunction constipation (K59.02), chronic idiopathic constipation (K59.04) and other constipation (K59.09).
Use an additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about opioid-induced constipation ICD-10 codes
What is the ICD-10 code for opioid-induced constipation?
- K59.03 — Drug induced constipation.
Is K59.03 billable?
- Yes. K59.03 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K59.03 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K59.03 as a principal diagnosis.
Is K59.03 a CC or MCC?
- No. K59.03 is neither a CC nor an MCC under MS-DRG v44.0.