K59.09 — Other constipation
K59.09 is a billable, specific ICD-10-CM code for other constipation. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Chronic constipation
Risk adjustment
K59.09 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
K59.09 is named in 10 Medicare coverage policies — 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A55937Billing and Coding: Diagnostic Colonoscopy
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
How K59.09 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K59.09.
- Constipation›chronic
- Constipation›specified NEC
Related codes at this level
Codes that share K59.0. If K59.09 is not quite right, the correct code is usually one of these.
Questions about K59.09
- Is K59.09 a billable ICD-10-CM code?
- Yes. K59.09 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does K59.09 sit in the tabular list?
- Diseases of the digestive system (K00-K95), in the block Other diseases of intestines (K55-K64).