X30⚠ Requires 7th Character

Exposure to excessive natural heat

⚠ 7th Character Required

The appropriate 7th character is to be added to code X30

This code is not valid for billing without a 7th character. Append one of the following to X30:

Ainitial encounterX30XXXADsubsequent encounterX30XXXDSsequelaX30XXXS

Sub-codes of X30(3)

X30 is a non-billable header. Select a sub-code to bill.

X30AExposure to excessive natural heat, initial encounter✓ BillableX30DExposure to excessive natural heat, subsequent encounter✓ BillableX30SExposure to excessive natural heat, sequela✓ Billable

Inclusion Terms

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to X30 in the official ICD-10-CM Alphabetic Index.

Effect (s) (adverse) of, insolationExposure (to), excessive, heat (natural) NECForces of nature, heat (natural)Heat (effects of) (excessive)Heat (effects of) (excessive), due to, weather (conditions)Hot, weather, effectsIctus, solarisInsolation, effectsOverexposure (accidental) (to), heat

✗ Excludes 1(Not coded here)

  • •excessive heat of man-made origin (W92)
  • •exposure to man-made radiation (W89)
  • •exposure to sunlight (X32)
  • •exposure to tanning bed (W89)

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├X30-X39Exposure to forces of nature (X30-X39)├X30Exposure to excessive natural heat
└X30Exposure to excessive natural heat

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