A coder reviewing anemia in neoplastic disease sees a “Code first” note under the manifestation anemia code instructing that the neoplastic disease be coded first. What sequencing action is required?
Select an answer to reveal the explanation.
Short Explanation
“Code first” is the codebook tapping you on the shoulder: put the cause ahead of the symptom-style manifestation. For anemia in neoplastic disease, the cancer etiology lines up before the anemia manifestation when that note applies.
Full Explanation
ICD-10-CM coding conventions include etiology/manifestation pairs and instructional notes such as “Code first.” When a manifestation code instructs “Code first” the underlying condition, the etiology (here, the neoplasm) is sequenced before the manifestation (anemia in neoplastic disease). Ignoring instructional notes or collapsing to unspecified anemia violates sequencing conventions and under-reports the underlying disease relationship.