[3] It has breathing marks (utilised to designate vowel emphasis), and accents (used to indicate voiced pitch changes) often added wrongly.

[4] Initials for the ekthesis (offset letters to the left of the main margin, marking start of paragraphs) are ornamented and written in red, green, blue and yellow ink.

[3] The text is divided according to the chapters (known as κεφαλαια / kephalaia), whose numbers are given in the margin, and their titles (known as τιτλοι / titloi) written at the top of the pages.

[4][2][3] It has John 7:53-8:11 omitted, and there are two endings to the Gospel of Mark (as in codices Ψ 099 0112 274mg 579 Lectionary 1602), a shorter one appearing before the traditional verses 16:9-20.

These are then used to determine the original text as published; there are three main groups with names: Alexandrian, Western, and Byzantine.

[7] It was noted in the 19th century that there is strong resemblance to Codex Vaticanus (B), to the citations of Origen, and to the marginal readings of the Harklean Syriac.

The text of the codex was cited by scholar Robert Estienne as η' in his Editio Regia (an early edition of the Greek New Testament).

It was edited in 1846 by textual critic Constantin von Tischendorf (in the publication Monumenta sacra inedita), but with some errors.