diff --git a/schema/omh/acceleration-unit-value-1.1.json b/schema/omh/acceleration-unit-value-1.1.json
new file mode 100644
index 00000000..6f7d3499
--- /dev/null
+++ b/schema/omh/acceleration-unit-value-1.1.json
@@ -0,0 +1,33 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/acceleration-unit-value-1.1.json",
+    "description": "This schema represents acceleration.",
+    "type": "object",
+
+    "references": [
+        {
+            "description": "The SNOMED code represents Acceleration (physical force)",
+            "url": "http://purl.bioontology.org/ontology/SNOMEDCT/285659007"
+        }
+    ],
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "references": [
+                        {
+                            "description": "The unit of measure of the element."
+                        }
+                    ],
+                    "enum": [
+                        "m/s^2"
+                    ]
+                }
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/schema/omh/angular-velocity-unit-value-1.1.json b/schema/omh/angular-velocity-unit-value-1.1.json
new file mode 100644
index 00000000..be6d486d
--- /dev/null
+++ b/schema/omh/angular-velocity-unit-value-1.1.json
@@ -0,0 +1,27 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/angular-velocity-unit-value-1.1.json",
+    "description": "This schema represents angular velocity.",
+    "type": "object",
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "references": [
+                        {
+                            "description": "The unit of measure of the element. SI unit is radians per second.",
+                            "url": "http://unitsofmeasure.org/ucum.html#datyp2apdxatblxmp"
+                        }
+                    ],
+                    "enum": [
+                        "rad/s"
+                    ]
+                }
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/schema/omh/magnetic-flux-density-unit-value-1.1.json b/schema/omh/magnetic-flux-density-unit-value-1.1.json
new file mode 100644
index 00000000..2b1421b0
--- /dev/null
+++ b/schema/omh/magnetic-flux-density-unit-value-1.1.json
@@ -0,0 +1,38 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/magnetic-flux-density-unit-value-1.1.json",
+    "description": "This schema represents a magnetic flux density.",
+    "type": "object",
+
+    "references": [
+        {
+            "description": "The SNOMED code represents Magnetic field (physical force)",
+            "url": "http://purl.bioontology.org/ontology/SNOMEDCT/285651005"
+        }
+    ],
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "references": [
+                        {
+                            "description": "The unit of measure of the element. Basic unit is Tesla (T)",
+                            "url": "http://unitsofmeasure.org/ucum.html#datyp2apdxatblxmp"
+                        }
+                    ],
+                    "enum": [
+                        "pT",
+                        "nT",
+                        "uT",
+                        "mT",
+                        "T"
+                    ]
+                }
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/schema/omh/mass-unit-value-1.1.json b/schema/omh/mass-unit-value-1.1.json
new file mode 100644
index 00000000..01a38420
--- /dev/null
+++ b/schema/omh/mass-unit-value-1.1.json
@@ -0,0 +1,46 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/mass-unit-value-1.1.json",
+    "description": "This schema represents a mass.",
+
+    "type": "object",
+
+    "references": [
+        {
+            "description": "The SNOMED code represents Mass",
+            "url": "http://purl.bioontology.org/ontology/SNOMEDCT/118538004"
+        }
+    ],
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "references": [
+                        {
+                            "description": "The unit of measure of the element. Basic unit is gram (g) [ http://unitsofmeasure.org/ucum.html#para-28 ]. Allowed values are drawn from the SI Mass Units and English Mass Units Common Synonyms (non-UCUM) columns of the 'Mass Units' section. The valid UCUM code is different for metric ton (t), grain ([gr]), ounce ([oz_av]), pound ([lb_av]) and Ton ([ston_av]).",
+                            "url": "http://download.hl7.de/documents/ucum/ucumdata.html"
+                        }
+                    ],
+                    "enum": [
+                        "fg",
+                        "pg",
+                        "ng",
+                        "ug",
+                        "mg",
+                        "g",
+                        "kg",
+                        "Metric Ton",
+                        "gr",
+                        "oz",
+                        "lb",
+                        "Ton"
+                    ]
+                }
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/schema/omh/medication-dose-unit-value-1.1.json b/schema/omh/medication-dose-unit-value-1.1.json
new file mode 100644
index 00000000..469a4abd
--- /dev/null
+++ b/schema/omh/medication-dose-unit-value-1.1.json
@@ -0,0 +1,30 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/medication-dose-unit-value-1.1.json",
+    "type": "object",
+    "description": "This schema represents the dose of a therapeutic agent.",
+    "references": [
+        {
+            "description": "The NCIT code represents Dose",
+            "url": "https://ncim.nci.nih.gov/ncimbrowser/ConceptReport.jsp?dictionary=NCI%20MetaThesaurus&code=C0178602"
+        }
+    ],
+    "definitions": {
+        "medication_dose_unit": {
+            "$ref": "medication-dose-unit-1.x.json"
+        }
+    },
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "$ref": "#/definitions/medication_dose_unit"
+                }
+            }
+        }
+    ]
+}
diff --git a/schema/omh/medication-dose-unit-value-range-1.1.json b/schema/omh/medication-dose-unit-value-range-1.1.json
new file mode 100644
index 00000000..8aa20160
--- /dev/null
+++ b/schema/omh/medication-dose-unit-value-range-1.1.json
@@ -0,0 +1,30 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/medication-dose-unit-value-range-1.1.json",
+    "type": "object",
+    "description": "This schema represents the dose of a therapeutic agent as a range.",
+    "references": [
+        {
+            "description": "The NCIT code represents Dose",
+            "url": "https://ncim.nci.nih.gov/ncimbrowser/ConceptReport.jsp?dictionary=NCI%20MetaThesaurus&code=C0178602"
+        }
+    ],
+    "definitions": {
+        "medication_dose_unit": {
+            "$ref": "medication-dose-unit-1.x.json"
+        }
+    },
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-range-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "$ref": "#/definitions/medication_dose_unit"
+                }
+            }
+        }
+    ]
+}
diff --git a/schema/omh/pace-unit-value-1.1.json b/schema/omh/pace-unit-value-1.1.json
new file mode 100644
index 00000000..9d7a9968
--- /dev/null
+++ b/schema/omh/pace-unit-value-1.1.json
@@ -0,0 +1,22 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/pace-unit-value-1.1.json",
+    "description": "This schema represents a pace (time over distance).",
+    "type": "object",
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "enum": [
+                        "min/mi",
+                        "min/km"
+                    ]
+                }
+            }
+        }
+    ]
+}
diff --git a/schema/omh/plane-angle-unit-value-1.1.json b/schema/omh/plane-angle-unit-value-1.1.json
new file mode 100644
index 00000000..c44f4907
--- /dev/null
+++ b/schema/omh/plane-angle-unit-value-1.1.json
@@ -0,0 +1,34 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/plane-angle-unit-value-1.1.json",
+    "type": "object",
+    "description": "This schema represents an angle on a plane.",
+
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "references": [
+                        {
+                            "description": "The unit of measure of the element. Basic unit is Degrees of arc. (The SI unit for angles is radian.)",
+                            "url": "http://download.hl7.de/documents/ucum/ucumdata.html"
+                        },
+                        {
+                            "description": "The SNOMED code represents Degrees of arc.",
+                            "url": "http://purl.bioontology.org/ontology/SNOMEDCT/259046004"
+                        },
+                        {
+                            "description": "Decimal degrees (DD) express latitude and longitude geographic coordinates as decimal fractions and are used in many geographic information systems (GIS), web mapping applications and GPS devices. Decimal degrees are an alternative to using degrees, minutes, and seconds (DMS). In most systems the degree symbol ° is omitted."
+                        }
+                    ],
+                    "enum": [
+                        "deg"
+                    ]
+                }
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/schema/omh/volume-unit-value-1.1.json b/schema/omh/volume-unit-value-1.1.json
new file mode 100644
index 00000000..d52df493
--- /dev/null
+++ b/schema/omh/volume-unit-value-1.1.json
@@ -0,0 +1,49 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://w3id.org/openmhealth/schemas/omh/volume-unit-value-1.1.json",
+    "description": "This schema represents a volume.",
+    "type": "object",
+
+    "references": [
+        {
+            "description": "The SNOMED code represents Volume",
+            "url": "http://purl.bioontology.org/ontology/SNOMEDCT/118565006"
+        }
+    ],
+    "allOf": [
+        {
+            "$ref": "https://w3id.org/ieee/ieee-1752-schema/unit-value-1.0.json"
+        },
+        {
+            "properties": {
+                "unit": {
+                    "references": [
+                        {
+                            "description": "The unit of measure of the element. Basic unit is liter (L). Allowed values are drawn from the Volume Units and English Volume Units Common Synonyms (non-UCUM). The valid UCUM code is different for fluid ounce ([foz_us]), cubic inch ([cin_i]), cup ([cup_us]), pint ([pt_us]), quart ([qt_us]), gallon ([gal_us]). 1 teaspoon = 5 ml; 1 tablespoon = 3 teaspoons = 15 ml.",
+                            "url": "http://download.hl7.de/documents/ucum/ucumdata.html"
+                        }
+                    ],
+                    "enum": [
+                        "fL",
+                        "pL",
+                        "nL",
+                        "uL",
+                        "mL",
+                        "cL",
+                        "dL",
+                        "L",
+                        "kL",
+                        "fl oz",
+                        "Cup",
+                        "in^3",
+                        "pt",
+                        "qt",
+                        "gal",
+                        "tsp",
+                        "tbsp"
+                    ]
+                }
+            }
+        }
+    ]
+}
\ No newline at end of file