DACR52 height - EPSG:8911

WKT

VERTCS["DACR52_height", 
	VDATUM["Datum_Altimetrico_de_Costa_Rica_1952"], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", 1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["DACR52_height", 
	VDATUM["Datum_Altimetrico_de_Costa_Rica_1952"], 
	CS[vertical, 1], 
	AXIS["Gravity-related height (H)", up, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["EPSG", "8911"]]

Data from @esri/proj-codes

{
  "wkid": 8911,
  "latestWkid": 8911,
  "macro": "PE_VCS_DACR52_HT",
  "name": "DACR52_height",
  "wkt": "VERTCS[\"DACR52_height\",VDATUM[\"Datum_Altimetrico_de_Costa_Rica_1952\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"DACR52_height\",VDATUM[\"Datum_Altimetrico_de_Costa_Rica_1952\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]],ID[\"EPSG\",\"8911\"]]",
  "description": "DACR52 height",
  "authority": "EPSG",
  "version": "9.6.1(10.8.0)",
  "deprecated": "no",
  "areaname": "Costa Rica - onshore",
  "extent": {
    "slat": 7.98,
    "nlat": 11.22,
    "llon": -85.97,
    "rlon": -82.53
  }
}