Skip to content
HCC Buddy home

E73.9

Billable

Lactose intolerance, unspecified

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Difficulty digesting lactose (milk sugar) due to insufficient lactase enzyme, but the specific cause or type is not specified.

Coding Tips

  • •Query provider to determine if this is congenital (E73.0), primary (E73.1), secondary (E73.2), or other type before coding
  • •Document any triggering foods and symptoms to help clarify the type of lactose intolerance

Code Hierarchy

└E73Lactose intolerance└E73.9Lactose intolerance, unspecified
└E73.9Lactose intolerance, unspecified

Open E73.9 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial