ICD-10-CM > E00-E89 > E70-E88 > E88 > E88.A E88.A Wasting disease (syndrome) due to underlying condition Billable/Specific Copy Code Copy Description Applicable To Cachexia due to underlying condition Code First underlying condition Type 1 Excludes cachexia NOS (R64)nutritional marasmus (E41) Type 2 Excludes failure to thrive (R62.51, R62.7)