Site-Specific Factor 1
Carbohydrate Antigen 19-9 (CA 19-9) Lab Value
Notes
**Note 1:** Carbohydrate Antigen 19-9 (CA 19-9) is a tumor marker that has value in the management of certain malignancies. **Note 2:** Record to the nearest tenth in Units/milliliter (U/ml), the highest CA 19-9 lab value documented in the medical record prior to treatment. * For example, code a pretreatment CA 19-9 value of 60 U/ml as 600 **Note 3:** Code 000 is reserved for exactly 0.0 U/ml (no measurable amount of CA 19 9). Do not round tiny values down to 0.0 U/ml; any measured value less than or equal to 0.1 U/ml should be coded 001. * For code 001, also round 0.11 - 0.14 U/ml down to 0.1 U/ml * For codes 002-979, round values to the nearest tenth of a U/ml **Note 4:** For an uncertain value, record the stated closest value. * For example, code a value stated as "less than 0.5 U/ml" as 005Default
988NAACCR Item
NAACCR #2880| Code | Description |
|---|---|
| 000 | 0.0 Units/milliliter (U/ml) exactly |
| 001 | 0.1 or less U/ml Stated as less than 0.1 U/ml with no exact value |
| 002-979 | 0.2 - 97.9 U/ml (Exact value to nearest tenth in U/ml) |
| 980 | 98.0 or greater U/ml |
| 988 | Not applicable: Information not collected for this case |
| 997 | Test ordered, results not in chart |
| 998 | Test not done (test not ordered and not performed) |
| 999 | Unknown or no information Not documented in patient record |