NAACCR Item #3870: LDH Upper Limits of Normal
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,870 | 3 | NAACCR | 2018 | 18 |
NAACCR XML: Tumor.ldhUpperLimitsOfNormal
Description
LDH (Lactate Dehydrogenase), an enzyme involved in converting sugars to energy in the body, is elevated in some malignancies. LDH level is a prognostic factor for patients with Stage IV melanoma. This data Item refers to the Upper Limit of Normal in the laboratory test used to interpret the Serum LDH result.
Rationale
LDH (Lactate Dehydrogenase) Upper Limits of Normal is a Registry Data Collection Variable in AJCC. It was previously collected as Melanoma Skin, CS SSF# 6.
Codes
| 001-999 | 001 - 999 upper limit of normal (Exact upper limit of normal) |
| XX8 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code XX8 may result in an edit error.) |
| XX9 | Not documented in medical record LDH Upper Limit not assessed or unknown if assessed |
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.