Is L81.3 a billable ICD-10-CM code?

Yes. L81.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does L81.3 sit in the tabular list?

Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).

What cannot be coded together with L81.3?

L81.3 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above L81.3 (L81) and apply to it just the same.

L81.3

L81.3 — Cafe au lait spots

Billable / specific codeICD-10-CM

L81.3 is a billable, specific ICD-10-CM code for cafe au lait spots. It is valid for submission on a claim.

Excludes1 inherited from the categories above L81.3

These are not written on L81.3, but they bind it: a note on a category applies to every code beneath it. Billing L81.3 with anything listed here is a denial.

Written on L81 — Other disorders of pigmentation

birthmark NOS (Q82.5)
Peutz-Jeghers syndrome (Q85.89)

Excludes2 inherited from the categories above L81.3

Also inherited, and the opposite of Excludes1: these conditions are not part of L81.3, but a patient can have both, so you may code both.

Written on L81 — Other disorders of pigmentation

nevus - see Alphabetical Index

Risk adjustment

L81.3 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.

How L81.3 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 L81.3.

Café, au lait spots
Spots, spotting›café, au lait

Code history

L81.3 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share L81. If L81.3 is not quite right, the correct code is usually one of these.

Questions about L81.3

Is L81.3 a billable ICD-10-CM code?: Yes. L81.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L81.3 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).
What cannot be coded together with L81.3?: L81.3 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above L81.3 (L81) and apply to it just the same.