X31.XXXD
X31.XXXD — Exposure to excessive natural cold, subsequent encounter
Billable / specific codeICD-10-CMPOA exempt
X31.XXXD is a billable, specific ICD-10-CM code for exposure to excessive natural cold, subsequent encounter. It is valid for submission on a claim.
7th character "D" — subsequent encounter
The appropriate 7th character is to be added to code X31
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Excessive cold as the cause of chilblains NOS
- Excessive cold as the cause of immersion foot or hand
- Exposure to cold NOS
- Exposure to weather conditions
Risk adjustment
X31.XXXD 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.
Related codes at this level
Codes that share X31. If X31.XXXD is not quite right, the correct code is usually one of these.
Questions about X31.XXXD
- Is X31.XXXD a billable ICD-10-CM code?
- Yes. X31.XXXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does X31.XXXD sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Exposure to forces of nature (X30-X39).
- What cannot be coded together with X31.XXXD?
- X31.XXXD carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.